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Pinal Co., Arizona, USAi
Regional Level Types
Pinal Co.County
ArizonaState
USACountry

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Key
Locality type:
Largest Settlements:
PlacePopulation
San Tan Valley81,321 (2011)
Casa Grande51,460 (2017)
Maricopa48,602 (2017)
Apache Junction38,074 (2017)
Florence31,110 (2017)
Eloy17,059 (2017)
Other Languages:
French:
Comté de Pinal, Arizona, États-Unis
German:
Pinal County, Arizona, Vereinigte Staaten
Italian:
Contea di Pinal, Arizona, Stati Uniti d'America
Navajo:
Tʼiisbáí Łání Áłtsʼíísí Bił Hahoodzo, Hoozdo Hahoodzo, Wááshindoon Bikéyah Ałhidadiidzooígíí
Russian:
Пинал, Аризона, Соединённые Штаты Америки
Simplified Chinese:
皮納爾縣, 亞利桑那州, 美国
Spanish:
Condado de Pinal, Arizona, Estados Unidos
Albanian:
Pinal County, Arizona, Shtetet e Bashkuara të Amerikës
Amharic:
ፒናል ካውንቲ፥ አሪዞና, አሪዞና, አሜሪካ
Arabic:
مقاطعة بينال, أريزونا, الولايات المتحدة
Armenian:
Պինալ շրջան, Արիզոնա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Pinal konderria, Arizona
Bavarian:
Pinal County, Arizona, Vaoanigte Stootn
Bishnupriya Manipuri:
পিনাল কাউন্টি, অ্যারিজোনা, তিলপারাষ্ট্র
Bulgarian:
Пинал, Аризона, Съединени американски щати
Cebuano:
Pinal County, Arizona (estado)
Croatian:
Pinal, Arizona, Sjedinjene Američke Države
Czech:
Pinal County, Arizona, Spojené státy americké
Danish:
Pinal County, Arizona, USA
Dutch:
Pinal County, Arizona (staat), Verenigde Staten
Farsi/Persian:
شهرستان پاینال، آریزونا, آریزونا, ایالات متحده آمریکا
Finnish:
Pinalin piirikunta, Arizona, Yhdysvallat
Hungarian:
Pinal megye, Arizona, Amerikai Egyesült Államok
Irish Gaelic:
Contae Pinal, Arizona, Stáit Aontaithe Mheiriceá
Japanese:
ピナル郡, アリゾナ州, アメリカ合衆国
Limburgian:
Pinal County, Arizona, Vereinegde Staote vaan Amerika
Low Saxon/Low German:
Pinal County, Arizona, USA
Malayalam:
പിനാൽ കൌണ്ടി, അരിസോണ
Min Dong Chinese:
Pinal Gông, Arizona
Norwegian:
Pinal County, Arizona, USA
Polish:
Hrabstwo Pinal, Arizona, Stany Zjednoczone
Portuguese:
Condado de Pinal, Arizona, Estados Unidos
Romanian:
Comitatul Pinal, Arizona, Statele Unite ale Americii
Serbian:
Округ Пинал, Аризона, Сједињене Америчке Државе
Serbo-Croatian:
Pinal County, Arizona, Sjedinjene Američke Države
Swedish:
Pinal County, Arizona, USA
Turkish:
Pinal Kontluğu, Arizona, Amerika Birleşik Devletleri
Ukrainian:
Пінал, Аризона, Сполучені Штати Америки
Urdu:
پینال کاؤنٹی، ایریزونا, ایریزونا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Pinal, Arizona, Chủng Quốc Hoa Kỳ
Waray:
Condado han Pinal, Arizona, Estados Unidos
Western Punjabi:
پینل کاؤنٹی, ایریزونا, امریکہ


Founded in 1875. One of fifteen Arizona counties. It is located in the center of the state, N of Pima Co., W of Gila and Graham Cos., S and E of Maricopa Co. The area is a total of 5,374 square miles. The county name is believed to have derived from the Apache term for "deer."

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

253 valid minerals. 14 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
Localities: Reported from at least 19 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 100-101.
Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
Reference: Manske, S. L., & Paul, A. H. (2002). Geology of a major new porphyry copper center in the Superior (Pioneer) district, Arizona. Economic Geology, 97(2), 197-220.
Ajoite
Formula: (K,Na)Cu7AlSi9O24(OH)6 · 3H2O
Reference: Mr. Joe Ruiz.
Alamosite
Formula: PbSiO3
Reference: Analyzed at the University of Western Syndey, Australia.
Albite
Formula: Na(AlSi3O8)
Description: Occurs as fresh albite crystals in metasomatized granodiorite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330.
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: Wilson, E.D. (1969), AZ Bur. of Mines Bull. 179: 22.
'Albite-Anorthite Series'
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.:79
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Description: Occurs in pegmatite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 104.
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Localities: Reported from at least 8 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 257; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42: 319-352; Schwartz, G.M. (1952), Chlorite-calcite pseudomorphs after orthoclase phenocrysts, Ray, Arizona, Econ.Geol.: 47: 665-672.
Alunite
Formula: KAl3(SO4)2(OH)6
Localities: Reported from at least 7 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Amesite
Formula: Mg2Al(AlSiO5)(OH)4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 108.
Analcime
Formula: Na(AlSi2O6) · H2O
Description: Identified in drill hole in silty claystone.
Reference: Anthony. J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 109; Sheppard, R.A. (1969), Zeolites, in Mineral and water resources of AZ, AZ Bur. Mines Bull. 180: 464-467.
Andalusite
Formula: Al2(SiO4)O
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Andalusite var. Titanian Andalusite
Formula: Al2(SiO4)O
Description: Occurs in metamorphosed sediments encased in granodiorite.
Reference: Anthony, J.W., et al (1995), Mineralogy of AZ, 3rd.ed.: 110, 187, 189, 372; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, AZ Bur. Mines Bull. 158: 83.
Anglesite
Formula: PbSO4
Localities: Reported from at least 19 localities in this region.
Habit: Crystals to ¼ inch (0.62 cm) diameter
Description: Encloses plates of mammothite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 112, 229; Fahey, J.J., et al (1950), Wherryite, a new mineral from the Mammoth mine, AZ, Am.Min.: 35: 93-98; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 18; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 58.
Anhydrite
Formula: CaSO4
Localities: Reported from at least 9 localities in this region.
Description: Occurs in inner altered zone of mineralized monzonite & quartz monzonite porphyry associated with quartz, sericite & sulfides.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 113; Lowell, J.D. (1968), Geology of the Kalamazoo orebody, San Manuel district, AZ, Econ.Geol.: 63: 645-654.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
Antigorite
Formula: Mg3(Si2O5)(OH)4
Colour: White
Description: Occurs as aggregated masses of shining white balls that form a matrix for wulfenite and descloizite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 368; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Antimony
Formula: Sb
Reference: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Prescott, AZ: 59; The History of Arizona, 2nd. State legislature, Chap. X: 119.
Antlerite
Formula: Cu3(SO4)(OH)4
Reference: Rocks & Min.: 15:278; 21:431.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Localities: Reported from at least 7 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Aragonite
Formula: CaCO3
Reference: No reference listed
Atacamite
Formula: Cu2(OH)3Cl
Localities: Reported from at least 8 localities in this region.
Colour: Deep green
Description: Coarse, granular aggregates.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 121.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Description: Micro-crystals in volcanic rocks.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 122.
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 123.
Austinite
Formula: CaZn(AsO4)(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 124; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56; Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
Azurite
Formula: Cu3(CO3)2(OH)2
Localities: Reported from at least 18 localities in this region.
Description: Crystals to 1 cm in the West Pit, rosettes to 5 mm with malachite and siderite in the Poorman area.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Baryte
Formula: BaSO4
Localities: Reported from at least 23 localities in this region.
Habit: Tabular to 2 by 0.5 inches (5 by 1.25 cm)
Colour: Black, brown, maroon, gray, white, yellow & golden-yellow
Description: Brilliant crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 129; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Beaverite-(Cu)
Formula: Pb(Fe3+2Cu)(SO4)2(OH)6
Habit: Scales
Colour: Golden-yellow
Description: Shining scales around the bases of linarite crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 131; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Beidellite
Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Description: Minor constituent of hydrothermally altered quartz monzonite and monzonite porphyries in a quartz-sericite-pyrite-chalcopyrite aggregate.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 132; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42: 319-352.
Bementite
Formula: Mn7Si6O15(OH)8
Habit: Minute, platy crystals
Description: Occurs as clear crystals with hematite in oxidized capping in the Granite Mountain Porphyry.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 132.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Van King
Beudantite
Formula: PbFe3(AsO4)(SO4)(OH)6
Reference: Raman analyzed at the University of Arizona.
Bideauxite (TL)
Formula: Pb2AgCl3(F,OH)2
Type Locality:
Habit: Crystals 2 to 7 mm
Colour: Colorless
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 135; Williams, S.A. (1970a), Bideauxite, a new Arizona mineral, Mineralogical Magazine: 37: 637-640; Nickel & Nichols, 1991 - "Mineral Reference Manual": 22.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3[AlSi3O10(OH)2
Localities: Reported from at least 12 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.:79
'Bisbeeite'
Formula: (Cu,Mg)SiO3 · nH2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 137, 183, 272, 330, 383; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol.Soc.Digest: 3: 53-56; Oosterwyck-Gastuche, Mme. van (1967), Etude des silicates de cuivre du Katanga, Mus. Roy. Africa Centrale Ann. Ser.: 8: 58.
Bixbyite
Formula: Mn3+2O3
Reference: Mineralogical Record 23:487-492
Bobmeyerite (TL)
Formula: Pb4(Al3Cu)(Si4O12)(S0.5Si0.5O4)(OH)7Cl(H2O)3
Type Locality:
Reference: Kampf, A.R., Pluth, J.J., Chen, Y.-S., Roberts, A.C. and Housley, R.M. (2012): Bobmeyerite, IMA 2012-019. CNMNC Newsletter No. 14, October 2012, page 1282; Mineralogical Magazine, 76, 1281-1288.
Boleite
Formula: KPb26Ag9Cu24(OH)48Cl62
Habit: Cubic
Colour: Dark blue
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 141, 202; Palache, C. (1941b), Diaboleite from Mammoth mine, Tiger, AZ, Am.Min.: 26: 605-612; Fahey, J.J., et al (1950), Wherryite, a new mineral from the Mammoth mine, AZ, Am.Min.: 35: 93-98; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 45.
Bornite
Formula: Cu5FeS4
Localities: Reported from at least 30 localities in this region.
Description: Occurs in the deepest levels.
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Ransome, F.L. (1914), Copper deposits near Superior, AZ, USGS Bull. 540-D: 139-158; Harcourt, G.A. (1937), The distinction between enargite and famatinite (luzonite), Am.Min.: 22: 517-525; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Mines Bull. 151; Brett, R. & R.A. Yund (1964), Sulfur-rich bornites, Am.Min.: 49: 1084-1098; Morimoto, N. & A. Gyobu (1971), The composition and stability of digenite, AmMin.: 56: 1889-1909; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull 153: 17; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 93.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Braunite ?
Formula: Mn2+Mn3+6(SiO4)O8
Reference: Wilson, E.D. & G.M. Butler (1930), Manganese ore deposits in AZ, AZ Bur. Mines Bull. 127: 85-86; Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 164.
Brochantite
Formula: Cu4(SO4)(OH)6
Localities: Reported from at least 10 localities in this region.
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 543; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 147.
Bromargyrite
Formula: AgBr
Reference: Josef Vajdak (2002) Mineral News, 18, #1, 6. (Chet Lemanski specimens)
Calcite
Formula: CaCO3
Localities: Reported from at least 69 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Calcite var. Manganese-bearing Calcite
Formula: (Ca,Mn)CO3
Fluorescence: Bright red (SW UV)
Description: Occurs in bands throughout the ore.
Reference: C. Lemanski, Jr.
Caledonite
Formula: Pb5Cu2(SO4)3(CO3)(OH)6
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 631; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 147, 212; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 67.
Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Reference: MRDS database Dep. ID #10039655; MRDS ID #M050587.
Cassiterite
Formula: SnO2
Description: Single small piece of stream tin from rhyolite flows.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 156.
Celadonite
Formula: K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Localities: Reported from at least 7 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 326; Thomssen, R.W. (1983), The minerals of the Malpais Hills, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Cerussite
Formula: PbCO3
Localities: Reported from at least 26 localities in this region.
Habit: Reticulated
Description: Coats nodules of matlockite.
Reference: Galbraith, F.W. (1947) Minerals of Arizona. Arizona Bureau of Mines Bulletin 153: 18.; Galbraith, F.W. and Brennan, D.J. (1959) Minerals of Arizona: 67; Williams, S.A. (1970) Bideauxite, a new Arizona mineral. Mineralogical Magazine, 37, 637-640.; Kipfer, A. (1974) Ein neues Hobby: Kleinmineralien sammeln und präparieren. Franckh'sche Verlagshandlung, W. Keller & Co., Stuttgart, 64 pp.; Bideaux, R.A. (1980) Famous Mineral Localities: Tiger, Arizona. Mineralogical Record, 11, 155-181.; Panczner, W.D. (1982) The Mammoth-St. Anthony Mine Tiger, Arizona. Rocks & Minerals, 57, 5-10.; Anthony, J.W. et al. (1995) Mineralogy of Arizona, 3rd. ed.: 126, 135, 141, 229.; Rocks & Minerals (xxxx) 65, 22.
'Chabazite'
Localities: Reported from at least 7 localities in this region.
Description: Occurs as crystals intergrown with calcite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 160; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol. Soc. Digest: 3: 53-56; Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Chalcanthite
Formula: CuSO4 · 5H2O
Localities: Reported from at least 8 localities in this region.
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
Chalcocite
Formula: Cu2S
Localities: Reported from at least 54 localities in this region.
Description: Massive as veins to several cm in the West Pit, also as pseudomorphs after pyrite; essential element of disseminated ores.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 163; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42: 319-352; Ransome, F.L. (1919), The copper deposits of Ray and Miami, AZ, USGS PP 115; Clarke, O.M., Jr. (1953), Geochemical prospectying for copper at Ray, AZ, Econ.Geol.: 48: 39-45; Lewis, D.V. (1955), Relationships of ore bodies to dikes and sills, Econ.Geol.: 50: 495-516; Metz, R.A. & A.W. Rose (1966), Geology of the Ray copper deposit, Ray, AZ, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, Univ. AZ Press, Tucson: 177-188; Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 28.
Chalcophanite
Formula: ZnMn4+3O7 · 3H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 165.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 95 localities in this region.
Reference: Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 29.
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Reference: Collected by Mr. Eckhard Stuart, 2007.
Chlorargyrite
Formula: AgCl
Localities: Reported from at least 23 localities in this region.
Habit: 1 mm crystals.
Description: Occurs as crystals on jarosite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 101, 141, 170, 225; Min.Rec.: 14:91.
Chlorargyrite var. Bromian Chlorargyrite
Formula: Ag(Cl,Br)
Habit: Octahedral
Description: Occurs as crystals on caledonite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 212.
'Chlorite Group'
Localities: Reported from at least 37 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.:79
Chondrodite
Formula: (Mg,Fe2+)5(SiO4)2(F,OH)2
Description: Locally abundant in forsterite marble.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 171, 327.
'Chromium-bearing Leadhillite'
Description: Occurs enclosing pinalite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 329; Dunn, P.J., et al (1989), Pinalite, a new lead tungstate chloride mineral from the Mammoth mine, Pinal Co., AZ, Am.Min.: 74: 934-935.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Localities: Reported from at least 120 localities in this region.
Description: Occurs as thin shells surrounding black tenorite nodules.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 141, 174, 391; Galbraith, F.W. & T.H. Kuhn (1940), A new occurrence of dioptase in AZ, Am.Min.: 25: 708-710; Peterson, N.P. (1938b), Geology and Ore deposits of the Mammoth mining camp area, Pinal Co., AZ, AZ Bur. Mines Bull. 144; Fahey, J.J., et al (1950), Wherryite, a new mineral from the Mammoth mine, AZ, Am.Min.: 35: 93-98; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 27, 67.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Localities: Reported from at least 13 localities in this region.
Reference: MRDS database Dep. ID #10137474, MAS ID #0040210138.
Cinnabar
Formula: HgS
Habit: Micro-crystals
Description: Occurs as micro-crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 175.
Clinoatacamite
Formula: Cu2(OH)3Cl
Reference: Raman analyzed at the University of Arizona.
Clinoclase
Formula: Cu3(AsO4)(OH)3
Colour: Purple
Description: Occurs as thin crusts and veinlets.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 177.
'Clinoptilolite'
Formula: (Na/Ca)3-6(Si30Al6)O72 · 20H2O
Description: Formed by alteration of feldspar fragments in abundant, large pumice masses contained in the middle tuff & tuffaceous sandstone member of the Ripsey Wash beds.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 178.
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Description: As coarse grains with epidote - hydrothermal alteration product.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 179; Schwartz, G.M. (1953), Geology of the San Manuel copper deposit, AZ, USGS PP 256.
Colusite
Formula: Cu13VAs3S16
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 182; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Hammer, D.F. & D.W. Peterson (1968), Geology of the Magma mine area, AZ, in J.D. Ridge (editor), Ore deposits of the United States, 1933-1967, A.I.M.E.: 1282-1310.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Conichalcite
Formula: CaCu(AsO4)(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 183; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol.Soc.Digest: 3: 53-56.
Connellite
Formula: Cu19(SO4)(OH)32Cl4 · 3H2O
Habit: Micro-crystals
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 183.
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 416.
Copper
Formula: Cu
Localities: Reported from at least 24 localities in this region.
Habit: Sawtooth-shaped single crystals
Description: Unusually large masses; aggregates to 1 x 5.5 inches (2.5 to 13.75 cm) loose in clay.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 186; Ransome, F.L. (1919), The copper deposits of Ray and Miami, AZ, USGS PP 115; White, J.S., Jr. (1974), What's new in minerals?, Min.Rec.: 5: 233-236; Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14: 311-322.
'Copper Stain'
Localities: Reported from at least 10 localities in this region.
Reference: Kirkemo, H., et al (1965), Investigations of Molybdenum Deposits in the Conterminous United States 1942-60, Contributions to Economic Geology, USGS Bull. 1182-E: E14.
Coquimbite
Formula: AlFe3(SO4)6(H2O)12 · 6H2O
Description: Occurs on the 1000 level with other sulfates.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 186.
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Description: Occurs in metamorphosed sediments encased in granodiorite.
Reference: Anthony, J.W., et al (1995), Mineralogy of AZ, 3rd.ed.: 110, 187, 189, 372; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
Corkite
Formula: PbFe3(PO4)(SO4)(OH)6
Reference: Raman analyzed at the University of Arizona.
Coronadite
Formula: Pb(Mn4+6Mn3+2)O16
Description: Small amounts near lower limits of the oxidized zone with sauconite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 188; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Mines Bull. 151; Fleischer, M. & W.E. Richmond (1943), The manganese oxide minerals: A preliminary report, Econ.Geol.: 38: 269-286; Hewett, D.F. & M. Fleischer (1960), Deposits of the manganese oxides, Econ.Geol.: 55: 1-55; Hewett, D.F., et al (1963), Deposits of the manganese oxides: supplement, Econ.Geol.: 58: 1-51; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 94.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Corundum
Formula: Al2O3
Description: Irregular masses with rutile & quartz to several inches diameter in felsite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 189, 359; Wilson, E.D. (1969), AZ Bur. of Mines Bull. 179: 18-19.
Covellite
Formula: CuS
Localities: Reported from at least 18 localities in this region.
Description: Occurs replacing chalcopyrite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 191; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 57.
Cowlesite (TL)
Formula: CaAl2Si3O10 · 6H2O
Habit: Tiny, bladed crystals to 1 mm long
Colour: White
Description: Occurs in vesicles in olivine bombs & scoria from mid-Tertiary cinder cones. Co-type locality.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 109, 160, 191, 230, 305, 395; Wise, W.S. & R.W. Tschernich (1975), Cowlesite, a new Ca-zeolite, Am.Min.: 60: 951-956.
Creaseyite (TL)
Formula: Pb2Cu2Fe3+2(Si4.67Al0.33)O15.33(OH)3 · H2O
Type Locality:
Habit: Fibrous tufts
Colour: Pale green
Description: Occurs in or on cerussite, wulfenite & fluorite; as radiating fibrous spherules with hisingerite cores.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 192, 225, 252; Williams, S.A. & R.A. Bideaux (1975), Creaseyite, Cu2Pb2(Fe,Al)2Si5O17·6H2O, a new mineral from Arizona and Sonora, Mineralogical Magazine: 40: 227-231;
Crocoite
Formula: PbCr6+O4
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 648.
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Localities: Reported from at least 6 localities in this region.
Reference: Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Cubanite
Formula: CuFe2S3
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 195; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
Cuprite
Formula: Cu2O
Localities: Reported from at least 25 localities in this region.
Description: Crystalline material in the oxidized zone of the deposit.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 197; Metz, R.A. & A.W. Rose (1966), Geology of the Ray copper deposit, Ray, AZ, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, Univ. AZ Press, Tucson: 177-188.
Cuprite var. Chalcotrichite
Formula: Cu2O
Description: Recently as felted masses to several cm in a quartzite in the Poorman area, with native copper
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 197; Metz, R.A. & A.W. Rose (1966), Geology of the Ray copper deposit, Ray, AZ, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, Univ. AZ Press, Tucson: 177-188.
Cyanotrichite
Formula: Cu4Al2(SO4)(OH)12 · 2H2O
Reference: Raman analyzed at the University of Arizona.
Delafossite
Formula: CuFeO2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 200; Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Descloizite
Formula: PbZn(VO4)(OH)
Localities: Reported from at least 7 localities in this region.
Habit: Small, pointed, forming crusts
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 201, 250; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Galbraith, F.W. & T.H. Kuhn (1940), A new occurrence of dioptase in AZ, Am.Min.: 25: 708-710; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 73.
Descloizite var. Copper-bearing Descloizite
Formula: Pb(Zn,Cu)VO4OH
Reference: MRDS database Dep. ID #10048300, MRDS ID #M899857.
Devilline
Formula: CaCu4(SO4)2(OH)6 · 3H2O
Description: Occurs as a scaly alteration of powdery djurleite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 202; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Diaboleite
Formula: Pb2CuCl2(OH)4
Reference: Fahey, J.J., Daggett, E.B., and Gordon, S.G. (1950) Wherryite, a new mineral from the Mammoth mine, Arizona. American Mineralogist, 35, 93-98.; Galbraith, F.W. and Brennan, D.J. (1959) Minerals of Arizona, 67.; Speckels, M.L. (1965) Minerals for everyone: the complete guide to micromounts. Gembooks, Mentone, California. Bideaux, R.A. (1980) Famous Mineral Localities: Tiger, Arizona. Mineralogical Record, 11, 155-181.; Anthony, J.W. et al. (1995) Mineralogy of Arizona, 3rd. ed.: 104, 141.;
Dickite
Formula: Al2(Si2O5)(OH)4
Description: Occurs with alunite in the most intensely altered rocks.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 167, 203.
Digenite
Formula: Cu9S5
Description: Occurs in deeper levels forming part of all chalcocite-bornite intergrowths (on & below the 3400 level).
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 163, 204; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Mines Bull. 151; Pierce, L. & P.R. Buseck (1978), Superstructuring in the bornite-digenite series: A high-resolution electron microscopy study, Am.Min.: 63: 1-15; Morimoto, N. & A. Gyobu (1971), The composition and stability of digenite, AmMin.: 56: 1889-1909; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull 153: 15; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 93.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Diopside
Formula: CaMgSi2O6
Reference: Singer, D.A., Berger, V.I., and Moring, B.C. (2005): USGS Open-File Report 05-1060
Dioptase
Formula: CuSiO3 · H2O
Localities: Reported from at least 12 localities in this region.
Habit: Stout crystals in druses
Colour: Deep emerald-green
Description: Aggregates of small crystals and druses in chrysocolla.
Reference: Galbraith, F.W. and Kuhn, T.H. (1940) A new occurrence of dioptase in Arizona. American Mineralogist, 25, 708-710.; Palache, C. (1941) Diaboleite from Mammoth mine, Tiger, Arizona. American Mineralogist, 26, 605-612.; Speckels, M.L. (1965) Minerals for everyone: the complete guide to micromounts. Gembooks, Mentone, California. Kipfer, A. (1974) Ein neues Hobby: Kleinmineralien sammeln und präparieren. Franckh'sche Verlagshandlung, W. Keller & Co., Stuttgart, 64 pp. Bideaux, R.A. (1980) Famous Mineral Localities: Tiger, Arizona. Mineralogical Record, 11, 155-181.; Anthony, J.W. et al. (1995) Mineralogy of Arizona, 3rd. ed., 206.;
Djurleite
Formula: Cu31S16
Description: Occurs replacing galena and being replaced by devilline.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 202, 206; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181
Dolomite
Formula: CaMg(CO3)2
Localities: Reported from at least 7 localities in this region.
Habit: Rhombohedral
Colour: Chocolate-brown
Description: Lustrous crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 207; Shannon, D.M. (1983a), Ferroan dolomite from the Vekol mine, Min.Rec.: 14:91.
Dolomite var. Iron-bearing Dolomite
Formula: Ca(Mg,Fe)(CO3)2
Reference: Shannon, D.M. (1983): Ferroan dolomite from the Vekol mine, Mineralogical Record: 14:91
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Habit: Crystals
Colour: Gray to green
Description: Occurs as crystals in masses & small, fan-shaped aggregates enclosed in quartz crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 401.
Duftite
Formula: PbCu(AsO4)(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 208.
Enargite
Formula: Cu3AsS4
Description: Most important copper ore in lowest levels of the mine.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213 Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Mines Bull. 151; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull 153: 28; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 93.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Localities: Reported from at least 20 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.:79
Epsomite
Formula: MgSO4 · 7H2O
Description: Coating mine openings on the 2015 and 2700 levels.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 216, 251, 264; Anthony, J.W. & W.J. McLean (1976), Jurbanite, a new post-mining aluminum sulfate mineral from San Manuel, AZ, Am.Min.: 61: 1-4.
Eriochalcite
Formula: CuCl2 · 2H2O
Colour: Light blue-green
Description: Occurs with brochantite on pyrite partially altered to chalcocite.
Reference: Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 4.
'Erionite'
Reference: Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Erionite-K
Formula: (K2,Ca,Na2)2[Al4Si14O36] · 15H2O
Reference: azminerals.com
Famatinite
Formula: Cu3SbS4
Description: Occurs with hypogene ores.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 219; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Hammer, D.F. & D.W. Peterson (1968), Geology of the Magma mine area, AZ, in J.D. Ridge (editor), Ore deposits of the United States, 1933-1967, A.I.M.E.: 1282-1310.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
'Fayalite-Forsterite Series'
Description: Accessory mineral in diabase sills that intrude rocks of the Apache Group.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 317.
'Feldspar Group'
Reference: MRDS database Dep. ID #10046289, MRDS ID #M241185.
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Habit: Radiating crystal aggregates
Colour: Yellow
Description: Also occurs as a powder.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 221; Kuhn, Truman H. (1941), Pipe deposits of the Copper Creek area, AZ, Economic Geology: 36: 512-538; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 82.
Fluorite
Formula: CaF2
Localities: Reported from at least 17 localities in this region.
Habit: Micro-crystals (lower levels); crystals to 1 inch (2.5 cm) on edge.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 224; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Fahey, J.J. (1955), Murdochite, a new copper lead oxide mineral, Am.Min.: 40: 905-906; Peterson, N.P. (1938b), Geology and Ore deposits of the Mammoth mining camp area, Pinal Co., AZ, AZ Bur. Mines Bull. 144; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 44.
Fornacite
Formula: Pb2Cu(CrO4)(AsO4)(OH)
Localities: Reported from at least 7 localities in this region.
Habit: Crystals to several mm long & as fiber-like micro-crystals
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 225; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181;
Forsterite
Formula: Mg2SiO4
Description: Locally abundant in some portions of metadolomites.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 171, 226, 327.
Fraipontite
Formula: (Zn,Al)3((Si,Al)2O5)(OH)4
Colour: cream to pale green
Description: Cuprian
Reference: 1) ID Paul Hlava, New Mexico. 2) An ID of Cuprian Fraipontite is consistent with form and composition determined by EDS and WDS microprobe analysis on November 17, 2006 at Cannon Microprobe--Seattle, Washington, USA
'Freibergite Subgroup'
Formula: ([Ag6]4+,(Ag,Cu)6)((Cu,Ag)4C2+2)Sb4S12S0-1
Habit: Micro-crystals
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 226.
Galena
Formula: PbS
Localities: Reported from at least 70 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 229; Guild, F.N. (1917), A microscopic study of the silver ores and their associated minerals, Econ.Geol.: 12: 297-353; Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 18, Rocks & Min.: 21:431; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 98.
Galena var. Silver-bearing Galena
Formula: PbS with Ag
Localities: Reported from at least 6 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 229; Galbaith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 18.
'Garnet Group'
Formula: X3Z2(SiO4)3
Localities: Reported from at least 7 localities in this region.
Reference: [www.johnbetts-fineminerals.com]
Garronite-Ca
Formula: Na2Ca5Al12Si20O64 · 27H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 230; Tschernich, R.W. (1992), Zeolites of the World, Geoscience Press, Tucson, AZ.
'Gem Silica'
Reference: Chris Boyd
Georgerobinsonite (TL)
Formula: Pb4(CrO4)2(OH)2FCl
Type Locality:
Reference: IMA Approvals - Nov.2009
Goethite
Formula: α-Fe3+O(OH)
Localities: Reported from at least 11 localities in this region.
Reference: Mineralogy of Arizona Third Edition, University of Arizona Press
Gold
Formula: Au
Localities: Reported from at least 46 localities in this region.
Description: Occurs as flecks in porphyry.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 235; Peterson, N.P. (1938b), Geology and Ore deposits of the Mammoth mining camp area, Pinal Co., AZ, AZ Bur. Mines Bull. 144.
Grossular
Formula: Ca3Al2(SiO4)3
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
Groutite
Formula: Mn3+O(OH)
Habit: Small, prismatic
Description: Occurs as coatings of crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 240.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Gypsum
Formula: CaSO4 · 2H2O
Localities: Reported from at least 28 localities in this region.
Reference: No reference listed; Rob Lavinsky
Halite
Formula: NaCl
Localities: Reported from at least 6 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 113.
'Halloysite'
Formula: Al2(Si2O5)(OH)4
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
Halloysite-10Å
Formula: Al2Si2O5(OH)4 · 2H2O
Description: Occurs in hydrothermally altered porphyry stock; also as veinlets & coating fracture surfaces; often exhibits colloform texture & may be intergrown with chrysocolla.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213; Schwartz, G.M. (1934), Paragenesis of the oxidized ores of copper, Econ.Geol.: 29: 55-75; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42: 319-352; Stephens, J.D. & R.A. Metz (1967), The occurrence of copper-bearing clay minerals in oxidized portions of the disseminated copper deposit at Ray, AZ (abstract), Econ.Geol.: 62: 876-877.
Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Hematite
Formula: Fe2O3
Localities: Reported from at least 67 localities in this region.
Reference: M. Ascher Collection; Wilson, K. S. (1984). The geology and epithermal silver mineralization of the Reymert Mine, Pinal County, Arizona. MS Thesis University of Arizona
Hematite var. Specularite
Formula: Fe2O3
Localities: Reported from at least 15 localities in this region.
Reference: MRDS database Dep. ID #10026864; MRDS ID #M000645.
Hemihedrite (TL)
Formula: Pb10Zn(CrO4)6(SiO4)2(OH)2
Type Locality:
Colour: Bright orange to henna-brown to nearly black
Description: Occurs in an oxidized zone of lead-bearing veins that cut strongly brecciated Precambrian limestone intruded by an altered latite porphyry and Precambrian quartzite containing a diabase dike.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona (1995), 3rd.ed.: 158, 247, 413; Williams, S.A. & J.W. Anthony (1970), Hemihedrite, a new mineral from AZ, Am.Min.: 55: 1088-1102; Clark, 1993, "Hey's Mineral Index".
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Localities: Reported from at least 7 localities in this region.
Habit: Slender, needle-like
Description: Porous to compact masses & as slender needles bristling from quartz crystals on walls of open cavities.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 248; Fahey, J.J. (1955), Murdochite, a new copper lead oxide mineral, Am.Min.: 40: 905-906; Peterson, N.P. (1938b), Geology and Ore deposits of the Mammoth mining camp area, Pinal Co., AZ, AZ Bur. Mines Bull. 144; Palache, C. (1941b), Diaboleite from Mammoth mine, Tiger, AZ, Am.Min.: 26: 605-612; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 101.
Hetaerolite
Formula: ZnMn2O4
Reference: Anthony, J. W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 250, 339; Dean, et al (1952), Concentration of oxide manganese ores from vicinity of Winkleman, Pinal Co., AZ, US Bur Mines Rept. Inv. 4848.
'Heulandite'
Localities: Reported from at least 8 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 250; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol. Soc. Digest: 3: 53-56; Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Hexahydrite
Formula: MgSO4 · 6H2O
Description: Occurs as a post-mining product on the 2015 and 2700 levels.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 251, 264; Anthony, J.W. & W.J. McLean (1976), Jurbanite, a new post-mining aluminum sulfate mineral from San Manuel, AZ, Am.Min.: 61: 1-4.
Hisingerite
Formula: Fe3+2(Si2O5)(OH)4 · 2H2O
Description: Occurs as the cores of radiating, fibrous creaseyite spherules.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 252; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Hollandite
Formula: Ba(Mn4+6Mn3+2)O16
Description: Most widespread manganese oxide mineral,
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 250.
'Hornblende'
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Hydrobiotite
Formula: K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Description: Abundant in selvages of ore veins containing Pb & Cu.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 254.
Hydrocerussite
Formula: Pb3(CO3)2(OH)2
Habit: Hexagonal, pyramidal; crystals to nearly 1 inch long (world's finest !)
Colour: Snow-white
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 254; Bideaux, R.A. (1980), Tiger, Arizona, Min.Rec.: 11: 155-181; Fahey, J.J., et al (1950), Wherryite, a new mineral from the Mammoth mine, AZ, Am.Min.: 35: 93-98; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 55.
'Hydromuscovite'
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213, 315; Schwartz, G.M. (1952), Chlorite-calcite pseudomorphs after orthoclase phenocrysts, Ray, Arizona, Econ.Geol.: 47: 665-672.
Hydrozincite
Formula: Zn5(CO3)2(OH)6
Colour: White
Description: Occurs on the 1600 level as films on sphalerite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 256; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Mines Bull. 151; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 53; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 94.
'Iddingsite'
Formula: MgO · Fe2O3 · 3SiO2 · 4H2O
Description: Occurs as small, reddish plates in the basalt flow above the Mescal Limestone.
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 107.
Ilmenite
Formula: Fe2+TiO3
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Ilvaite
Formula: CaFe3+Fe2+2(Si2O7)O(OH)
Colour: Black
Fluorescence: None
Description: Occurs as coatings of tiny black crystals on matrix cavity surfaces in lean ore.
Reference: Collected by, and analyzed thru Chester S. Lemanski, Jr., analysis by F. Veselovsky and P. Ondrus, Czech Geological Survey.
Iodargyrite
Formula: AgI
Colour: Pale green
Description: Occurs as droplets with caledonite & boleite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 259; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Iranite
Formula: Pb10Cu(CrO4)6(SiO4)2(OH)2
Description: Small crystals on older specimens.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 260.
Jalpaite
Formula: Ag3CuS2
Description: Occurs with silver and acanthite in quartz veins.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 100, 260.; Wilson, K. S. (1984). The geology and epithermal silver mineralization of the Reymert Mine, Pinal County, Arizona. MS Thesis University of Arizona
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Localities: Reported from at least 10 localities in this region.
Description: A minor oxidation product of pyrite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 262; Simons, F.S. (1964), Geology of the Klondyke quadrangle, Graham and Pinal Cos., AZ, USGS PP 461.
Jurbanite (TL)
Formula: Al(SO4)(OH) · 5H2O
Type Locality:
Colour: Colorless
Description: As sparse, minute, clear crystals deposited on lagings and overhead pipes (post-mining product).
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 264; Anthony, J.W. & W.J. McLean (1976), Jurbanite, a new post-mining aluminum sulfate mineral from San Manuel, AZ, Am.Min.: 61: 1-4.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Localities: Reported from at least 17 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213; Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Kentrolite
Formula: Pb2Mn3+2(Si2O7)O2
Reference: Collected by, and analyzed thru John Ebner, Wall Twp., NJ. J. Ebner & C. Lemanski, Jr. collections.
'K Feldspar'
Localities:
Reference: MRDS database Dep. ID #10037117; MRDS ID #M030475.
'K Feldspar var. Adularia'
Formula: KAlSi3O8
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 96.
Lanarkite
Formula: Pb2(SO4)O
Reference: Analyzed at the University of Western Sydney, Austalia.
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Reference: In the collection of Brent Thorne
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Description: Laumontite was found in a fault gouge in the Poorman area, July 1995.
Reference: D. Court collection
Leadhillite
Formula: Pb4(CO3)2(SO4)(OH)2
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 298; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 100-101, 135, 141, 147; Williams, S.A. (1970a), Bideauxite, a new Arizona mineral, Mineralogical Magazine: 37: 637-640; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 67.
Lepidocrocite
Formula: γ-Fe3+O(OH)
Reference: Rolf Luetcke
'Leucoxene'
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 132; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42: 319-352.
'Lévyne'
Description: As micro-crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 276.
Libethenite
Formula: Cu2(PO4)(OH)
Reference: D. Court collection
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 59 localities in this region.
Reference: Mayo, E.B. (1955), Metaliferous minerals and mineral fuels; Mineral resources, Navajo-Hopi Indian Reservations, Arizona-Utah, Vol. 1: 19-32; Read, C.B. (1943), Copper deposits of the White Mesa Mining District, Coconino Co., AZ.
Linarite
Formula: PbCu(SO4)(OH)2
Habit: Excellent; small to large euhedral crystals to 4 inches (10 cm) long
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 131, 147, 278; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Guild, F.N. (1911), Mineralogische Notizen, Zeit. Krystal. und Mineral.: 49: 321-331; Omori, K. & P.F. Kerr (1963), Infrared studies of saline sulfate minerals, Geol. Soc. Amer. Bull.: 74: 709-734; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 63.
Lindgrenite
Formula: Cu3(MoO4)2(OH)2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 278.
Macquartite (TL)
Formula: Cu2Pb7(CrO4)4(SiO4)2(OH)2
Type Locality:
Description: Occurs on early specimens of dioptase.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 282; Williams, S.A. & M. Duggan (1980), La macquartite: Un nouveau silico-chromate de Tiger, AZ, Bull. Mineral.: 103: 530-532.
Magnesio-hornblende
Formula: ◻Ca2(Mg4Al)(Si7Al)O22(OH)2
Description: Principal constituent of the green schist facies of the Pinal Schist.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92.
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 20 localities in this region.
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
Magnetite var. Titaniferous Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 258; Harrer, C.M. (1964), Reconnaissance of iron resources in Arizona, US Bur. Mines Inf. Circ. 8236.
Malachite
Formula: Cu2(CO3)(OH)2
Localities: Reported from at least 106 localities in this region.
Description: Common in the silicate orebody, with chrysocolla, as nodules to 5 cm and vein material. Acicular crystals found in the West Pit.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 174.
Mammothite (TL)
Formula: Pb6Cu4AlSb5+O2(OH)16Cl4(SO4)2
Type Locality:
Habit: Sprays of radial, acicular crystals & flat plates
Colour: Bright blue
Description: Occurs as plates embedded in anglesite and tufts of acicular crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 287; Peacor, D., et al (1985), Mammothite, a new mineral from Tiger, AZ, and Laurium, Greece, Min.Rec.: 15: 117-120.
'Manganese Oxides'
Reference: MRDS database Dep. ID #10026753.
Manganite
Formula: Mn3+O(OH)
Localities: Reported from at least 7 localities in this region.
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
Markascherite (TL)
Formula: Cu3(MoO4)(OH)4
Type Locality:
Reference: Yang, H., Jenkins, R.A., Downs, R.T., Evans, S.H. and Bloch, E.M. (2010) Markascherite, IMA 2010-051. CNMNC Newsletter No. 7, February 2010, page 28; Mineralogical Magazine, 75, 27-31.
Massicot
Formula: PbO
Reference: [MinRec 21:160]
Matlockite
Formula: PbFCl
Description: Occurs as large nodules coated by cerussite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 135, 141; Williams, S.A. (1970a), Bideauxite, a new Arizona mineral, Mineralogical Magazine: 37: 637-640; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 44.
Melanotekite
Formula: Pb2Fe3+2(Si2O7)O2
Habit: Minute spherules
Colour: Brownish
Description: Occurs as spherules on diaboleite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 291; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 101.
Mercury
Formula: Hg
Description: Fine globules in schist.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 293; Beckman, R.T. & W.H. Kerns (1965), Mercury in AZ, in Mercury potential of the US, US Bur. of Mines Inf. Circ. 8252.
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Reference: Steve Sorrell Collection
'Mica Group'
Reference: MRDS database Dep. ID #10064169, MRDS ID #TC38439.
Microcline
Formula: K(AlSi3O8)
Reference: Wilson, E.D. (1969), AZ Bur. of Mines Bull. 179: 22.
Mimetite
Formula: Pb5(AsO4)3Cl
Localities: Reported from at least 8 localities in this region.
Habit: Tiny prismatic to tabular.
Colour: Bright orange, canery-yellow
Description: Occurs as crusts and coatings of crystals.
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 893; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 299; Bideaux, R.A. (1980), Tiger, Arizona, Mineralogical Record: 11: 155-181.
Minium
Formula: Pb3O4
Description: Powdery coatings on wulfenite crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 300; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Mixite
Formula: BiCu6(AsO4)3(OH)6 · 3H2O
Habit: Radiating sprays
Colour: Pale green
Description: Occurs associated with wulfenite & mimetite on barite matrix.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 301; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Molybdenite
Formula: MoS2
Localities: Reported from at least 23 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 302; Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322; Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 46.
Molybdenite var. Rhenian Molybdenite
Formula: (Mo,Re)S2
Description: Prin. ore min.; at one time considered to be among the highest Re contents known (320-580 ppm).
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 152, 302; Kuhn, Truman H. (1938), AZ Bur. of Mines Bull. 145: 127-130; Kuhn, Truman H. (1941), Pipe deposits of the Copper Creek area, AZ, Economic Geology: 36: 512-538; Anderson, C.A. (1969), Copper, in Mineral and water resources of AZ, AZ Bur. of Mines Bull. 180: 117-156; Fleischer, M. (1959), The geochemistry of rhenium, with special reference to its occurrence in molybdenite, Econ.Geol.: 54: 1406-1413; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 24.
'Molybdenite-3R'
Formula: MoS2
Reference: Newberry,Rainer J.J.,(1979) Poltypism in Molybdenite(I):a non-equllibrium impurity-induced phenomenon: American Mineralogist 64.758-767
Molybdofornacite
Formula: Pb2Cu(MoO4,CrO4)(AsO4,PO4)(OH)
Reference: Collected by and in the collection of Brent Thorne.
'Monazite'
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Description: Occurs as vesicle fillings in flow rocks.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 306; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
Mottramite
Formula: PbCu(VO4)(OH)
Habit: Crusts of small pointed crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 201, 307; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Galbraith, F.W. & T.H. Kuhn (1940), A new occurrence of dioptase in AZ, Am.Min.: 25: 708-710; Guild, F.N. (1911), Mineralogische Notizen, Zeit. Krystal. und Mineral.: 49: 321-331.
Munakataite
Formula: Pb2Cu2(Se4+O3)(SO4)(OH)4
Colour: cyan-blue
Description: The Munakataite occurs sparsely on a single thumbnail-sized specimen from Tiger as medium cyan-blue acicular crystals, averaging 0.5 mm in length, and possessing a silky to adamantine luster. The crystals occur intimately associated with altered crystals of Boleite and two generations of Leadhillite crystals. Other associates on the same specimen include a third generation of Leadhillite crystals, Quartz, Cerussite, Djurleite, Covellite, and a number of unidentified, or inadequately identified, species, including a bladed microscopic lead sulphate silicate, with small percentages of zinc and copper—possibly a copper-bearing Queitite. The identification was made on the basis of compositional analysis using energy-dispersive X-ray spectroscopy (EDS), augmented with semi-quantitative wavelength-dispersive X-ray spectroscopy (WDS) for sulfur, and because the sample is consistent with the form and appearance of the species as set forth in the published description of Munakataite in 2008.
Reference: Robert O. Meyer collection; WDS and EDS confirmed
Murdochite (TL)
Formula: PbCu6O8-x(Cl,Br)2x where x
Habit: Tiny octahedra
Colour: Black
Description: Occurs on surfaces of, and embedded in, plates of wulfenite & on surfaces of fluorite crystals with hemimorphite & willemite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 308; Fahey, J.J. (1955), Murdochite, a new copper lead oxide mineral, Am.Min.: 40: 905-906; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 28.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 76 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Localities:
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 257; Lowell, J.D. (1968), Geology of the Kalamazoo orebody, San Manuel district, AZ, Econ.Geol.: 63: 645-654.
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 66 localities in this region.
Reference: [www.johnbetts-fineminerals.com]
Neotocite
Formula: (Mn,Fe,Mg)SiO3 · H2O
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Niter
Formula: KNO3
Description: Thin crusts and in cracks in rock below caves.
Reference: Galbraith, F.W. & Brennan (1959), Minerals of AZ: 56.
Nitratine
Formula: NaNO3
Description: A minor constituent of salt-bearing crusts in salt flats; less than 0.1% NaNO3.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 314; Wilson, E.D. (1969), Mineral deposits of the Gila River Indian Reservation, AZ, AZ Bur. Mines Bull. 179.
Nitrocalcite
Formula: Ca(NO3)2 · 4H2O
Reference: Anthony, Williams, Bideaux, 1982. Mineralogy of Arizona, rev. ed., p.147
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Description: Occurs in hydrothermally altered quartz monzonite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 315; Schwartz, G.M. (1952), Chlorite-calcite pseudomorphs after orthoclase phenocrysts, Ray, Arizona, Econ.Geol.: 47: 665-672; Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Nukundamite
Formula: Cu3.33Fe0.66S4
Habit: Polygonal grains
Colour: Orange
Description: Grains in bornite that resemble stannoidite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 315.
Offretite
Formula: KCaMg(Si13Al5)O36 · 15H2O
Reference: Tschernic Zeolites of the World p.164 (see further rref there)
Olivenite
Formula: Cu2(AsO4)(OH)
Description: Occurs near zsurface at the No. 1 Glory Hole outcrop. Coats dioptase.
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 72; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 94.
Opal
Formula: SiO2 · nH2O
Localities: Reported from at least 8 localities in this region.
Description: Occurs in cavities in dacite.
Reference: Univ. AZ Bull. 41 (1916-17), Mineralogy of useful Minerals in AZ: 48; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 193..
Opal var. Opal-AN
Formula: SiO2 · nH2O
Habit: None
Colour: Colorless
Fluorescence: Green (SW UV)
Description: Occurs as coatings on fracture surfaces on ore near a fault traversing the vein. Fluoresces green (SW UV).
Reference: Collected by C. Lemanski, Jr.
Orpiment
Formula: As2S3
Description: Several pounds of material discovered in 1915.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 318, 352; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 22.
Orthoclase
Formula: K(AlSi3O8)
Localities: Reported from at least 7 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Mineralogical Record: 14: 311-322.
Orthoserpierite
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Reference: T. Kennedy collection
Palygorskite
Formula: (Mg,Al)2Si4O10(OH) · 4H2O
Description: Occurs in some fault gouge.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 319; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Paralaurionite
Formula: PbCl(OH)
Reference: Palache, C. (1950): Paralaurionite. Mineralogical Magazine 29, 341-345.; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 141; Fahey, J.J., et al (1950), Wherryite, a new mineral from the Mammoth mine, AZ, Am.Min.: 35: 93-98; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 67.
Paratacamite
Formula: Cu3(Cu,Zn)(OH)6Cl2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 321; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
'Phillipsite subgroup'
Localities: Reported from at least 7 localities in this region.
Reference: Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Description: Occurs in metadolomites with chondrodite and forsterite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 327.
Phoenicochroite
Formula: Pb2(CrO4)O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona (1995), 3rd.ed.: 247; Williams, S.A. & J.W. Anthony (1970), Hemihedrite, a new mineral from AZ, Am.Min.: 55: 1088-1102.
Phosgenite
Formula: Pb2CO3Cl2
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 141, 287; Peacor, D., et al (1985), Mammothite, a new mineral from Tiger, AZ, and Laurium, Greece, Min.Rec.: 15: 117-120; Fahey, J.J., et al (1950), Wherryite, a new mineral from the Mammoth mine, AZ, Am.Min.: 35: 93-98; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 54.
Phosphohedyphane
Formula: Ca2Pb3(PO4)3Cl
Reference: Am.Min. 91, 1909-1917(2006)
Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 264; Anthony, J.W. & W.J. McLean (1976), Jurbanite, a new post-mining aluminum sulfate mineral from San Manuel, AZ, Am.Min.: 61: 1-4.
Piemontite
Formula: {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 328.
Pinalite (TL)
Formula: Pb3WO5Cl2
Type Locality:
Habit: Typically as isolated crystals & divergent sprays
Description: Occurs in irregular cavities that are pseudomorphic molds of an uncertain precursor; in some places enclosed by chromian leadhillite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 329; Dunn, P.J., et al (1989), Pinalite, a new lead tungstate chloride mineral from the Mammoth mine, Pinal Co., AZ, Am.Min.: 74: 934-935.
Plancheite
Formula: Cu8(Si8O22)(OH)4 · H2O
Description: Occurs as veinlets and as coatings on chrysocolla.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 330; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
Plattnerite
Formula: PbO2
Reference: SXRD confirmed by Dr. Yang, University of Arizona, October 2019 as black plate less than 0.2mm.
Plumbonacrite
Formula: Pb5O(OH)2(CO3)3
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 332.
Plumbotsumite
Formula: Pb13(CO3)6(Si10O27) · 3H2O
Colour: White
Description: Massive material intergrown with wulfenite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 332.
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Description: Fine specimens from the upper levels.
Reference: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Prescott, AZ: 59; The History of Arizona, 2nd. State legislature, Chap. X: 119; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 333; Guild, F.N. (1910), The mineralogy of Arizona, The Chemical Publishing Co., Easton, PA; Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in Arizona: 48; Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 26; Dana 6 & Dana 7:I; Rocks & Min.: 21:431.
Powellite
Formula: Ca(MoO4)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Dale, V.B. (1959), Tuyngsten deposits of Yuma, Maricopa, Pinal, and Graham Cos., AZ, US Bur. of Mines Rept. of Invest. 5516.
Proustite
Formula: Ag3AsS3
Description: Minute blebs in galena.
Reference: Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 27.
Pseudoboleite
Formula: Pb31Cu24Cl62(OH)48
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 336; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Palache, C. (1941b), Diaboleite from Mammoth mine, Tiger, AZ, Am.Min.: 26: 605-612.
Pseudobrookite
Formula: Fe2TiO5
Reference: Mineralogical Record 23:487-492
Pseudomalachite
Formula: Cu5(PO4)2(OH)4
Localities:
Description: Occurs with malachite on quartz crystals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 337.
'Psilomelane'
Formula: Mn, O
Localities: Reported from at least 25 localities in this region.
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 94.
Pyrargyrite
Formula: Ag3SbS3
Description: Massive material in quartz.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 340.
Pyrite
Formula: FeS2
Localities: Reported from at least 79 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Mineralogical Record: 14: 311-322.
Pyrolusite
Formula: Mn4+O2
Localities: Reported from at least 15 localities in this region.
Reference: [www.johnbetts-fineminerals.com]
Pyromorphite
Formula: Pb5(PO4)3Cl
Localities:
Colour: Olive-green
Description: Occurs as crystals on mottramite with vanadinite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 344; Peterson, N.P. (1938b), Geology and Ore deposits of the Mammoth mining camp area, Pinal Co., AZ, AZ Bur. Mines Bull. 144.
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
'Pyroxene Group'
Reference: Manske, S. L., & Paul, A. H. (2002). Geology of a major new porphyry copper center in the Superior (Pioneer) district, Arizona. Economic Geology, 97(2), 197-220.
Pyrrhotite
Formula: Fe1-xS
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 378; Denton, T.C. & P.S. Haury (1946), Exploration of the Reward (Vekol) zinc deposit, Pinal Co., AZ, US Bur. of Mines. Rept. Inv. 3975.
Quartz
Formula: SiO2
Localities: Reported from at least 58 localities in this region.
Reference: Mineralogical Record 23:487-492
Quartz var. Agate
Reference: MRDS database Dep. ID #10113383, MAS ID #0040210684.
Quartz var. Amethyst
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
Reference: Self collected by C. Lemanski; Wilson, K. S. (1984). The geology and epithermal silver mineralization of the Reymert Mine, Pinal County, Arizona. MS Thesis University of Arizona
Quartz var. Chalcedony
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
Reference: Mineralogical Record 23:487-492
Quartz var. Jasper
Reference: Wilson, E.D. & G.M. Butler (1930), Manganese ore deposits in AZ, AZ Bur. Mines Bull. 137: 84; Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 162.
Quartz var. Milky Quartz
Formula: SiO2
Localities:
Reference: Wilson, E.D., et al (1934), Arizona Bureau of Mines Bull. 137: 175.
Quartz var. Rock Crystal
Formula: SiO2
Habit: Prismatic, scepter, reverse scepter
Colour: Colorless
Fluorescence: None
Description: Brilliant, tiny, prismatic quartz crystals lining cavities in oxidized ore.
Reference: Self collected by C. Lemanski
Quartz var. Smoky Quartz
Formula: SiO2
Reference: Self collected by C. Lemanski
Queitite
Formula: Pb4Zn2(SO4)(SiO4)(Si2O7)
Description: Microscopic crystals observed associated with Quartz when analysing samples with an electron microprobe/SEM. Other associates include Leadhillite, Boleite, and Mammothite.
Reference: Robert O. Meyer collection number L10-3
Ramsdellite
Formula: Mn4+O2
Description: Occurs as pseudomorphs.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 351; Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Realgar
Formula: As4S4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 318, 352; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 22.
Rhodochrosite
Formula: MnCO3
Description: Occurs as massive material and as rare small crystals in the South vein.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 353; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Rhomboclase
Formula: (H5O2)Fe3+(SO4)2 · 2H2O
Description: Occurs on the 1000 level with other sulfates.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 354, 388.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Romanèchite
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Reference: David H. Garske
Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
Reference: Mineralogy of Arizona Third Edition, University of Arizona Press
Rutile
Formula: TiO2
Localities: Reported from at least 10 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Sauconite
Formula: Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Description: Occurs as soft, waxy, gouge-like material from near the lower limit of the oxidized zone.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 188, 361.
Scheelite
Formula: Ca(WO4)
Localities: Reported from at least 17 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Dale, V.B. (1959), Tuyngsten deposits of Yuma, Maricopa, Pinal, and Graham Cos., AZ, US Bur. of Mines Rept. of Invest. 5516.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Localities: Reported from at least 8 localities in this region.
Description: Gangue mineral in breccia pipe deposit.
Reference: Anthony, J.W. , et al (1995),Mineralogy of Arizona, 3rd.ed.: 401; Kuhn, Truman H. (1941), Pipe deposits of the Copper Creek area, AZ, Economic Geology: 36: 512-538.
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Habit: Well-formed prisms to 1 inch long.
Description: Occurs as crystals in brecciated zones in the Copper Creek Granodiorite associated with calcite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 365
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 368; Stewart, L.A. (1956), Chrysotile asbestos deposits of AZ (supp.), US Bur. Mines Inf. Circ. 7745.
Serpierite
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Reference: In the collection of Joe Ruiz. Analyzed by Tony Kampf.
Shannonite
Formula: Pb2O(CO3)
Description: Occurs as the result of a mine fire.
Reference: Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 8.
Shattuckite
Formula: Cu5(Si2O6)2(OH)2
Localities: Reported from at least 12 localities in this region.
Habit: Hemispherical aggregates
Colour: Pale blue
Fluorescence: None
Description: Coatings and small hemispherical aggregates of pale blue shattuckite on fracture surfaces in and near oxidized ore.
Reference: M. Ascher Collection
Siderite
Formula: FeCO3
Localities: Reported from at least 10 localities in this region.
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82.
'Silica'
Reference: MRDS database Dep. ID #10062119, MRDS ID #TC35377.
Sillimanite
Formula: Al2(SiO4)O
Description: Occurs in metamorphosed sediments encased in granodiorite.
Reference: Anthony, J.W., et al (1995), Mineralogy of AZ, 3rd.ed.: 110, 187, 189, 372; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
Silver
Formula: Ag
Localities: Reported from at least 30 localities in this region.
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Mineralogical Record: 14: 311-322.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Econ.Geol.: 83; 297-309
Smithsonite
Formula: ZnCO3
Description: Occurs as crusts and porous masses & crude crystals; sometimes occurs with wulfenite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 374; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 49.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Mineralogical Record 23:487-492
Sphalerite
Formula: ZnS
Localities: Reported from at least 36 localities in this region.
Colour: Light sea-green
Description: Most abundant sulfide in the ore. Cleavable masses held together by silver wires.
Reference: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Prescott, AZ: 59; The History of Arizona, 2nd. State legislature, Chap. X: 119; Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 18; Guild, F.N. (1917), A microscopic study of the silver ores and their associated minerals, Econ.Geol.: 12: 297-353; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 377-378; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Minesz Bull. 151; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part II, AZ Bur. Mines Bull. 158; Rocks & Min.: 21:431; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 98.
Starkeyite
Formula: MgSO4 · 4H2O
Description: Occurs on mine iopenings on the 2015 and 2700 levels.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 251, 264, 380; Anthony, J.W. & W.J. McLean (1976), Jurbanite, a new post-mining aluminum sulfate mineral from San Manuel, AZ, Am.Min.: 61: 1-4.
'Stibiconite'
Formula: Sb3+Sb5+2O6(OH)
Reference: Galbraith, F.W. & Brennan (1959), Minerals of AZ: 33.
'Stilbite subgroup'
Formula: (Na/Ca/K)6-7[Al8-9Si27-28O72] · nH2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.:79
Stolzite
Formula: Pb(WO4)
Habit: Crystal aggregates up to 1.5 mm across
Colour: Yellow
Description: Several yellow crystalline aggregates of an unidentified mineral were spotted on a specimen of Azurite and Cerussite from this mine. An SEM-EDS analysis was performed on a grain which detected only Lead and Tungsten. The morphology is consistent with Stolzite.
Reference: R. O. Meyer collection; EDS analysis performed by R.O. Meyer on 2/17/2004
Stromeyerite
Formula: AgCuS
Description: Most important silver mineral in the ores.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 385; Univ. AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in Arizona: 56; Guild, F.N. (1910), The mineralogy of Arizona, The Chemical Publishing Co., Easton, PA; Guild, F.N. (1917), A microscopic study of the silver ores and their associated minerals, Econ.Geol.: 12: 297-353; Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 16; Rocks & Min.: 21:431; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 98.
Sulphur
Formula: S8
Description: Occurs in small amounts in the oxidized zone.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 386.
Surite
Formula: (Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2
Reference: Collected by Joe Ruiz. XRD confirmed by Tony Kamph; Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 8.
Szomolnokite
Formula: FeSO4 · H2O
Colour: Colorless to tan
Description: Clear, crystalline material associated with other sulfates.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 354, 388.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
Reference: Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 93.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
'Tennantite-Tetrahedrite Series'
Reference: Peterson, N.P. (1963), Geology of the Pinal Ranch quadrangle, USGS Bull. 1141-H: H13.
Tenorite
Formula: CuO
Localities: Reported from at least 20 localities in this region.
Colour: Coal-black
Description: As nodules surrounded by thin shells of chrysocolla.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 391; Peterson, N.P. (1938b), Geology and Ore deposits of the Mammoth mining camp area, Pinal Co., AZ, AZ Bur. Mines Bull. 144; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 27.
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Localities: Reported from at least 10 localities in this region.
Description: Abundant below the 900 level.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 393; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Short, M.N., et al (1943), Geology and ore deposits of the Superior mining area, AZ, AZ Bur. Mines Bull. 151; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull 153: 27.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
'Tetrahedrite Subgroup var. Mercurian Tetrahedrite'
Formula: Cu6[Cu4(Zn,Fe,Hg)2]Sb4S13
Reference: ‡Ref.: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 405.
'Thénardite'
Formula: Na2SO4
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 395.
'Thomsonite'
Reference: Arizona-Sonora Desert Museum collection [http://www.desertmuseumdigitallibrary.org/public/detail.php?id=ASDM03687]
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 395.
Titanite
Formula: CaTi(SiO4)O
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Description: Occurs with other manganese oxide minerals.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 165, 188, 252, 398.; Wilson, K. S. (1984). The geology and epithermal silver mineralization of the Reymert Mine, Pinal County, Arizona. MS Thesis University of Arizona
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Mineralogical Record 23:487-492
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Localities: Reported from at least 9 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.:79
Tremolite
Formula: ◻{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Singer, D.A., Berger, V.I., and Moring, B.C. (2005): USGS Open-File Report 05-1060
Tsumebite
Formula: Pb2Cu(PO4)(SO4)(OH)
Habit: Spherules
Colour: Yellow-green
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 404; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
'Turgite'
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:246
Turquoise
Formula: CuAl6(PO4)4(OH)8 · 4H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 399, 405; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 74.
Tyrolite
Formula: Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O
Description: Occurs as films on Schwatzite (mercurian tetrahedrite).
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 405.
Uraninite
Formula: UO2
Reference: MRDS database Dep. ID #10092688, MRDS ID #M800312.
Uraninite var. Pitchblende
Formula: UO2
Reference: MRDS database Dep. ID #10092688, MRDS ID #M800312.
Vanadinite
Formula: Pb5(VO4)3Cl
Localities: Reported from at least 25 localities in this region.
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 898; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 411; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 73.
Vanadinite var. Arsenic-bearing Vanadinite
Formula: Pb5[(V,As)O4]3Cl
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 411; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 73.
Vauquelinite
Formula: Pb2Cu(CrO4)(PO4)(OH)
Description: Occurs in an oxide mineral assemblage that replaced galena-sphalerite, pyrite & tennantite along a sheared & mineralized fault zone separating limestone & quartzite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona (1995), 3rd.ed.: 158, 247, 413, 426; Williams, S.A. & J.W. Anthony (1970), Hemihedrite, a new mineral from AZ, Am.Min.: 55: 1088-1102
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 413; Moore, R.T. (1969b), Vermiculite, in Mineral and water resources of AZ, AZ Bur. Mines Bull. 180: 462-464.
Vésigniéite
Formula: BaCu3(VO4)2(OH)2
Habit: Crystals to 15 mm long (prismatic ?)
Colour: Pistachio-green
Description: Crude, rounded crystals in albitized quartz monzonite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 414.
Voltaite
Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Habit: Crystals to 0.25 inches (1.15 cm) diameter.
Description: Occurs on the 1000 level with other sulfates.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 354, 388, 416.; Presmyk, L. (2020). The Magma Mine, Pioneer District, Superior, Pinal County, Arizona. Rocks & Minerals, 95(1), 68-91.
'Wad'
Localities: Reported from at least 13 localities in this region.
Reference: Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 31.
Weddellite
Formula: Ca(C2O4) · (2.5-x)H2O
Reference: Rolf Luetcke
Wherryite (TL)
Formula: Pb7Cu2(SO4)4(SiO4)2(OH)2
Description: Occurs in small vugs on 760 level with associated minerals.
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 632; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 141, 419; Fahey, J.J., et al (1950), Wherryite, a new mineral from the Mammoth mine, AZ, American Mineralogist: 35: 93-98; Bideaux, R.A. (1980), Tiger, AZ, Mineralogical Record: 11: 155-181; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 67.
Willemite
Formula: Zn2SiO4
Localities: Reported from at least 13 localities in this region.
Habit: Small rhombs; barrel-shaped; acicular
Colour: Colorless; bluish
Fluorescence: Creamy-yellow (SW UV)
Description: Occurs on wulfenite and vanadinite. Also, occurs in cavities lined by amethyst crystals in the zone between oreshoots at surface.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 104, 421; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Fahey, J.J. (1955), Murdochite, a new copper lead oxide mineral, Am.Min.: 40: 905-906; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 96.
Wittichenite
Formula: Cu3BiS3
Description: Occurs in hypogene ores.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 422; Barnes, R. & M. Hay (1983), Famous mineral localities: The Magma Mine, Min.Rec.: 14: 72-82; Hammer, D.F. & D.W. Peterson (1968), Geology of the Magma mine area, AZ, in J.D. Ridge (editor), Ore deposits of the United States, 1933-1967, A.I.M.E.: 1282-1310.
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Localities: Reported from at least 11 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Dale, V.B. (1959), Tuyngsten deposits of Yuma, Maricopa, Pinal, and Graham Cos., AZ, US Bur. of Mines Rept. of Invest. 5516.
Wulfenite
Formula: Pb(MoO4)
Localities: Reported from at least 39 localities in this region.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 250; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181; Rocks & Min.:57:5-10 & 65:22.
Wulfenite var. Tungstenoan Wulfenite
Formula: Pb(MoO4)
Colour: Light yellow to bright red
Description: Occurs as crystals containing tungsten.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 426; Peterson, N.P. (1938b), Geology and Ore deposits of the Mammoth mining camp area, Pinal Co., AZ, AZ Bur. Mines Bull. 144; Galbraith, F.W. & T.H. Kuhn (1940), A new occurrence of dioptase in AZ, Am.Min.: 25: 708-710; Guild, F.N. (1910), The mineralogy of Arizona, The Chemical Publishing Co., Easton, PA; Newhouse, W.H. (1934), The source of vanadium, molybdenum, tungsten and chromium in oxidized lead deposits, Am.Min.: 19: 209-220; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 73, 80.
Wurtzite
Formula: (Zn,Fe)S
Description: Reported to occur below the 900 level.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 427; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 20.
Yedlinite (TL)
Formula: Pb6Cr3+Cl6(O,OH,H2O)8
Type Locality:
Habit: Rhombohedral crystals to 1 mm long
Colour: Red-violet
Description: Occurs on only a few specimens.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 429; McLean, W.J., et al (1974), Yedlinite, a new mineral from the Mammoth mine, Tiger, AZ, Am.Min.: 59: 1157-1159; Wood, M.M., et al (1974), The crystal structure and composition of yedlinite, Am.Min.: 59: 1160-1165.
'Zeolite Group'
Reference: Singer, D.A., Berger, V.I., and Moring, B.C. (2005): USGS Open-File Report 05-1060
Zircon
Formula: Zr(SiO4)
Reference: Jones, R.W. & W.E. Wilson (1983), The Ray mine, Min.Rec.: 14(5): 311-322.
Zoisite
Formula: Ca2Al3[Si2O7][SiO4]O(OH)
Description: Occurs in hydrothermally altered quartz monzonite & monzonite porphyries associated with the less-intensely altered areas.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 215; Lowell, J.D. (1968), Geology of the Kalamazoo orebody, San Manuel district, AZ, Econ.Geol.: 63: 645-654; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42, 319-352; Creasey, S.C. (1959), Some phase relations in the hydrothermally altered rocks of porphyry copper deposits, Econ.Geol.: 54: 351-373.
Zunyite
Formula: Al13Si5O20(OH,F)18Cl
Description: Occurs in very small quantities in highly altered monzonite porphyry.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 432; Schwartz, G.M. (1953), Geology of the San Manuel copper deposit, AZ, USGS PP 256.

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