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Xocomecatlite

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About XocomecatliteHide

Formula:
Cu3(TeO4)(OH)4
Colour:
emerald-green
Hardness:
4
Specific Gravity:
4.65
Crystal System:
Orthorhombic
Name:
From Nahua "xocomecatl", grapes, alluding to its occurrence in clusters of green spherules.
This page provides mineralogical data about Xocomecatlite.


Classification of XocomecatliteHide

Approved
Approval Year:
1974
First Published:
1975
7.BB.50

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
B : With medium-sized cations
Dana 7th ed.:
33.1.2.1
33.1.2.1

33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq
28.4.1

28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates

Physical Properties of XocomecatliteHide

Colour:
emerald-green
Streak:
Light green to white
Hardness:
Tenacity:
Brittle
Density:
4.65 g/cm3 (Measured)    4.42 g/cm3 (Calculated)

Optical Data of XocomecatliteHide

Type:
Biaxial (-)
RI values:
nα = 1.775(5) nβ = 1.900(5) nγ = 1.920(5)
2V:
Measured: 41° , Calculated: 40°
Max Birefringence:
δ = 0.145
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
low
Pleochroism:
Strong
Comments:
rich bluish greens

Chemical Properties of XocomecatliteHide

Formula:
Cu3(TeO4)(OH)4
IMA Formula:
Cu3(Te6+O4)(OH)4

Crystallography of XocomecatliteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 12.14 Å, b = 14.31 Å, c = 11.66 Å
Ratio:
a:b:c = 0.848 : 1 : 0.815
Unit Cell V:
2,025.61 ų (Calculated from Unit Cell)
Z:
12

Geological EnvironmentHide

Paragenetic Mode(s):
•  Oxidation

Type Occurrence of XocomecatliteHide

General Appearance of Type Material:
isolated or clustered spherules that seldom exceed 0.15 mm in diameter. These spherules are composed of radially disposed needles that seldom attain 5 micron width.
Place of Conservation of Type Material:
British Museum (Natural History) and the University of Paris
Associated Minerals at Type Locality:
Reference:
Williams, S.A. (1975) Xocomecatlite, Cu3TeO4(OH)4, and tlalocite, Cu10Zn6(TeO3)(TeO4)2Cl(OH)25·27H2O, two new minerals from Moctezuma, Sonora, Mexico. Mineralogical Magazine: 40: 221-226.

Synonyms of XocomecatliteHide

Other Language Names for XocomecatliteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
5 photos of Xocomecatlite associated with McalpineiteCu3(Te6+O6)
3 photos of Xocomecatlite associated with JenseniteCu3[TeO6] · 2H2O
3 photos of Xocomecatlite associated with DugganitePb3Zn3(AsO4)2(TeO6)
1 photo of Xocomecatlite associated with Eurekadumpite(Cu,Zn)16(TeO3)2(AsO4)3Cl(OH)18 · 7H2O

Related Minerals - Nickel-Strunz GroupingHide

7.BB.05CaminiteMg7(SO4)5(OH)4 · H2OTet.
7.BB.10HauckiteFe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
7.BB.15AntleriteCu3(SO4)(OH)4Orth. mmm (2/m 2/m 2/m)
7.BB.20DolerophaniteCu2(SO4)OMon. 2/m : B2/m
7.BB.25BrochantiteCu4(SO4)(OH)6Mon. 2/m : P21/b
7.BB.30VergasovaiteCu3(SO4)(MoO4,SO4)OOrth.
7.BB.35KlebelsbergiteSb4O4(SO4)(OH)2Orth. mm2
7.BB.40SchuetteiteHg2+3(SO4)O2Trig. 3 2 : P31 2 1
7.BB.45ParaotwayiteNi(OH)2-x(SO4,CO3)0.5xMon.
7.BB.55Pauflerite(V4+O)SO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.BB.60GrandviewiteCu3Al9(SO4)2(OH)29Mon. 2 : P2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

28.4.2CarlfriesiteCaTe4+2Te6+O8Mon. 2/m : B2/b
28.4.3YafsoaniteCa3Zn3(TeO6)2Iso. m3 (2/m 3)
28.4.4TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2OOrth.
28.4.5OboyeriteTric.
28.4.6SchieffelinitePb10Te6+6O20(OH)14(SO4)(H2O)5Orth. mmm (2/m 2/m 2/m) : Cmcm
28.4.7GirditeH2Pb3(Te4+O3)(Te6+O6)Mon. m
28.4.8KhinitePb2+Cu2+3[Te6+O6](OH)2Orth. mm2 : Fdd2
28.4.9Khinite-3TPb2+Cu2+3Te6+O6(OH)2Trig. 3 : P32
28.4.10DugganitePb3Zn3(AsO4)2(TeO6)Trig. 3 2 : P3 2 1
28.4.11KuksitePb3Zn3(PO4)2(TeO6)Trig. 3 2 : P3 2 1
28.4.12CheremnykhitePb3Zn3(VO4)2(TeO6)Orth.
28.4.13Tlapallite(Ca,Pb)3CaCu6[Te4+3Te6+O12]2(Te4+O3)2(SO4)2·3H2OTrig. 3 2 : P3 2 1
28.4.14MontaniteBi2(TeO6) · 2H2O
28.4.15KuranakhitePbMn4+Te6+O6Orth.
28.4.16CuzticiteFe3+2(TeO6) · 3H2OHex.
28.4.17YecoraiteFe3+3Bi5(Te6+O4)2(Te4+O3)O9 · 9H2O

Fluorescence of XocomecatliteHide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for XocomecatliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Williams, S.A. (1975) Xocomecatlite, Cu3TeO4(OH)4, and tlalocite, Cu10Zn6(TeO3)(TeO4)2Cl(OH)25·27H2O, two new minerals from Moctezuma, Sonora, Mexico. Mineralogical Magazine: 40: 221-226.
Fleischer, M., Cabri, L.J. (1976) New mineral names. American Mineralogist: 61: 502-504.
Frost, R.L., Keeffe, E.C. (2009) Raman spectroscopic study of the metatellurate mineral: xocomecatlite Cu3TeO4 (OH) 4. Journal of Raman Spectroscopy: An International Journal for Original Work in all Aspects of Raman Spectroscopy, Including Higher Order Processes, and also Brillouin and Rayleigh Scattering: 40(8): 866-869.

Internet Links for XocomecatliteHide

Localities for XocomecatliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Mexico (TL)
 
  • Sonora
    • Moctezuma Municipality
      • Moctezuma
Mineralogical Magazine(1975) 40, 221-226; Panczner(1987):136-399.
Russia
 
  • Chaunskii District (Chaun) Chukotka Autonomous Okrug
    • Ilirney ore district
Pekov, I. V., Vlasov, E. A., Zubkova, N. V., Yapaskurt, V. O., Chukanov, N. V., Belakovskiy, D. I., ... & Pushcharovsky, D. Y. (2015). Raisaite, CuMg [Te6+ O4 (OH) 2]· 6H2O, a new mineral from Chukotka, Russia. European Journal of Mineralogy, ejm2490_pap_gsw.
Sweden
 
  • Värmland County
    • Arvika
      • Glava
Jonsson, E. (2016). Te-Se-Au-Ag-Bi-rich polymetallic vein mineralization south of Glava, SW Sweden. In NGWM 2016 (p. 132).
USA
 
  • Arizona
    • Cochise County
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 209; Williams, S.A. (1978), Khinite, parakhinite, and dugganite, three new tellurates from Tombstone, Arizona, Am.Min.: 63: 1016-1019.
        • Tombstone
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 267.
          • Silver Plume Mine (Emerald & Silver Plume Mine group)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 428; Williams, S.A. (1978), Khinite, parakhinite and dugganite, three new tellurates from Tombstone, AZ, Am.Min.: 63: 1016-1019.
  • California
    • Mono Co.
      • Bodie Hills
        • Masonic Mining District
          • Masonic Mountain
MarekC pers. coll. 2018
    • San Bernardino Co.
      • Silver Lake Mining District
        • Soda Mountains
          • Baker
            • Otto Mountain
collected by Eckhard D. Stuart; EDS and PXRD cofirmed by A. Kampf
Collected by Bob Housley. EDS and PXRD analyzed.
  • Utah
    • Juab Co.
      • Tintic Mining District
        • Eureka
[MinRec 27:464]; Canadian Mineralogist; February 1996; v. 34; no. 1; p. 49-54; Roberts, A. C., Ercit, T. S., & Cureton, F. F. (1994). Mcalpineite, Cu3TeO6. H20, from the McAlpine mine, Tuolumne County, California, and from the Centennial Eureka mine, Juab County, Utah I. Mineralogical Magazine, 58, 417-424.
        • Mammoth
          • Mammoth Peak
            • North Star Mine (Star Consolidated Mine)
Collected and analyzed by Joy Desor.
    • Utah Co.
SEM EDS confirmed by Rob Bowell.
 
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