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Dolerophanite

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About DolerophaniteHide

Formula:
Cu2(SO4)O
Colour:
Dark brown, nearly black; yellow-brown in transmitted light.
Hardness:
3
Specific Gravity:
4.17
Crystal System:
Monoclinic
Name:
From the Greek δολερός for "fallacious," and φαιυεσθαι "to appear," since its appearance does not suggest its composition.
This page provides mineralogical data about Dolerophanite.


Classification of DolerophaniteHide

Approved, 'Grandfathered' (first described prior to 1959)
7.BB.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
B : With medium-sized cations
30.2.2.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)2(XO4)Zq
25.2.5

25 : Sulphates
2 : Sulphates of Cu and Ag

Physical Properties of DolerophaniteHide

Transparency:
Translucent, Opaque
Colour:
Dark brown, nearly black; yellow-brown in transmitted light.
Streak:
Yellowish-brown
Hardness:
Cleavage:
Perfect
On {_101}, perfect.
Density:
4.17 g/cm3 (Measured)    4.16 g/cm3 (Calculated)
Comment:
Measured values on artificial crystals.

Optical Data of DolerophaniteHide

Type:
Biaxial (+)
RI values:
nα = 1.715 nβ = 1.820 nγ = 1.880
2V:
Measured: 85° , Calculated: 70°
Max Birefringence:
δ = 0.165
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v
Pleochroism:
Visible
Comments:
X = = Dark brown
Y = b = Brownish yellow
Z ^c-10° = Lemon-yellow

Chemical Properties of DolerophaniteHide

Formula:
Cu2(SO4)O
IMA Formula:
Cu2O(SO4)

Crystallography of DolerophaniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 9.35 Å, b = 6.31 Å, c = 7.62 Å
β = 122.29°
Ratio:
a:b:c = 1.482 : 1 : 1.208
Unit Cell V:
380.05 ų (Calculated from Unit Cell)
Morphology:
Crystals commonly elongated [010], and more or less tabular on {_101}; small. Faces in the zone [010] commonly striated [010]; other faces smooth and lustrous.

Type Occurrence of DolerophaniteHide

General Appearance of Type Material:
As a sublimate.
Geological Setting of Type Material:
Active volcanic fumaroles.
Associated Minerals at Type Locality:

Synonyms of DolerophaniteHide

Other Language Names for DolerophaniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
17 photos of Dolerophanite associated with ChalcocyaniteCuSO4
16 photos of Dolerophanite associated with EuchlorineKNaCu3(SO4)3O
13 photos of Dolerophanite associated with TenoriteCuO
1 photo of Dolerophanite associated with ChalcanthiteCuSO4 · 5H2O
1 photo of Dolerophanite associated with FedotoviteK2Cu3(SO4)3O
1 photo of Dolerophanite associated with BonattiteCuSO4 · 3H2O
1 photo of Dolerophanite associated with AnglesitePbSO4

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.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.50XocomecatliteCu3(TeO4)(OH)4Orth.
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

25.2.1ChalcocyaniteCuSO4Orth. mmm (2/m 2/m 2/m)
25.2.2BonattiteCuSO4 · 3H2OMon.
25.2.3ChalcanthiteCuSO4 · 5H2OTric. 1 : P1
25.2.4BoothiteCuSO4 · 7H2OMon.
25.2.6AntleriteCu3(SO4)(OH)4Orth. mmm (2/m 2/m 2/m)
25.2.7BrochantiteCu4(SO4)(OH)6Mon. 2/m : P21/b
25.2.8PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
25.2.9LangiteCu4(SO4)(OH)6 · 2H2OMon. m
25.2.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
25.2.11KröhnkiteNa2Cu(SO4)2 · 2H2OMon. 2/m : P21/b
25.2.12NatrochalciteNaCu2(SO4)2(OH) · 2H2OMon. 2/m : B2/m
25.2.13PiypiteK4Cu4O2(SO4)4 · (Na,Cu)ClTet.
25.2.14FedotoviteK2Cu3(SO4)3OMon. 2/m : B2/b
25.2.15CyanochroiteK2Cu(SO4)2 · 6H2OMon. 2/m
25.2.16EuchlorineKNaCu3(SO4)3OMon.
25.2.17DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
25.2.18LeightoniteK2Ca2Cu(SO4)4 · 2H2OTric.
25.2.19ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
25.2.20CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2OOrth.
25.2.21WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m (3 2/m) : R3m
25.2.22CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon.
25.2.23GuilditeCuFe3+(SO4)2(OH) · 4H2OMon. 2/m : P21/m
25.2.24RansomiteCuFe2(SO4)4 · 6H2OMon. 2/m : P21/b
25.2.26KlyuchevskiteK3Cu3(Fe3+,Al)(SO4)4O2Mon.
25.2.27Poitevinite(Cu,Fe)SO4 · H2OTric.
25.2.28ArgentojarositeAgFe3+3(SO4)2(OH)6Trig. 3m : R3m

Other InformationHide

Notes:
Slowly decomposed by cold water, leaving a blue solution and residue; also decomposed by moist air.
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 DolerophaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Scacchi, A. (1873): Nuove specie di solfati di rame (Dolerofano), Note Mineralogiche, Memoria Prima, Napoli, Stamperia del Fibreno, pp. 22-29
Goldschmidt, V. (1886) Index der Krystallformen der Mineralien. 3 volumes: vol. 1, 601pp.: 511.
Strandmark (1902) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 36: 457.
Zambonini, Ferruccio (1935) Mineralogia Vesuviana. second edition with Quercigh, 463 pp., Naples: 161.
Richmond and Wolfe (1940) American Mineralogist: 25: 606.
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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 551-553.
Acta Crystallographica: 16: 1009-1014.

Internet Links for DolerophaniteHide

Localities for DolerophaniteHide

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.
DR Congo
 
  • Haut-Katanga
Haest, M., Muchez, P., Dewaele, S., Boyce, A.J., von Quadt, A., and Schneider, J. (2009): Mineralium Deposita 44, 505-522.
Italy (TL)
 
  • Campania
    • Naples
      • Somma-Vesuvius Complex
Note Min.(1873): 1, 22; Atti R. Accad. Sci. fis. mat., Napoli (1873) 5, 22; Lapis (1994): 5: 13-23, 58; 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: 429, 552, 571.
Poland
 
  • Silesian Voivodeship
    • Wodzisław Co.
      • Radlin
Ł. Kruszewski PXRD data (W. Sierny specimen)
Russia
 
  • Chelyabinsk Oblast
Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
  • Kamchatka Krai
    • Tolbachik volcano
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
        • Northern Breakthrough (North Breach)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Second scoria cone
European Journal of Mineralogy; October 2000; v. 12; no. 5; p. 1041-1044
Bykova E Y, Berlepsch P, Kartashov P M, Brugger J, Armbruster T, Criddle A J (1998) Vergasovaite Cu3O[(Mo,S)O4][SO4], a new copper-oxy-molybdate-sulfate from Kamchatka, Schweizerische Mineralogische und Petrographische Mitteilungen, 78, 479-488
Pavel Martynov specimen
  • Zabaykalsky Krai
    • Chitinskaya Oblast
      • Kodar–Udokan district
        • Udokan
Gongalsky, B., & Krivolutskaya, N. (2019). The Cu-Ag-Fe Udokan Deposit. In World-Class Mineral Deposits of Northeastern Transbaikalia, Siberia, Russia (pp. 37-85). Springer, Cham.
USA
 
  • Arizona
    • Yavapai Co.
      • Bradshaw Mts (Bradshaw Range)
        • Agua Fria Mining District
          • Mayer
Brian Beck Collected, Attard Minerals XRF, Univ. of Arizona microprobe
 
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