| Biehlite Mineral Data |
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- 48.2.4.1 Biehlite ! (Sb,As)2MoO6 C 2/c 2/m
- VI/G.02-05 Biehlite (Sb,As)2MoO6 C 2/c 2/m
- VI/G.02-10 Lindgrenite Cu3(MoO4)2(OH)2 P 21/n 2/m
- VI/G.02-15 Szenicsite Cu3MoO4(OH)4 Pnnm, Pnn2 Ortho
- VI/G.02-20 Cuprotungstite Cu3(WO4)2(OH)2 Unk Tetra
- VI/G.02-25 Vergasovaite! Cu3O[(Mo,S)O4][SO4] P nma 2/m 2/m 2/m
- VI/G.02-30 Ferrimolybdite Fe2(MoO4)3·8(H2O) Unk Ortho
- VI/G.02-40 Phyllotungstite CaFe3H(WO4)6·10(H2O) P 222,Pmm2,P mmm Ortho
General Biehlite Information |
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 Chemical Formula: |
(Sb,As)2MoO6 | ||
| Composition: |
Molecular Weight = 426.07 gm | ||
| Antimony 51.44 % Sb 61.57 % Sb2O3 | |||
| Molybdenum 22.52 % Mo 33.78 % MoO3 | |||
| Arsenic 3.52 % As 4.64 % As2O3 | |||
| Oxygen 22.53 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Sb1.8As0.2MoO6 | ||
| Environment: |
Associated with angelsite and wulfenite on a fine-grained Cu ore in the oxidation zone of the deposit. | ||
| IMA Status: |
Approved IMA 1999 (Dana # Added) | ||
| Locality: |
Tsumeb, Namibia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Friedrich Karl Bielh (1887-?), who was the first to do scientific work on the mineralization of the Tsumeb deposit. | ||
| Synonym: |
ICSD 411401 | ||
| IMA1999-019a | |||
Biehlite Image | |||
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Images:
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Biehlite Crystallography |
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| Axial Ratios: |
a:b:c =3.0533:1:0.8586 | ||
| Cell Dimensions: |
a = 18.076, b = 5.92, c = 5.083, Z = 4; beta = 96.97° V = 539.91 Den(Calc)= 5.24 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.96(1)(020), 2.99(1)(600), 5.622(0.65)(110),3.104(0.61)(311), 2.104(0.42)(620), 3.376(0.3)(311), 1.962(0.32)(130), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Biehlite |
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| Color: |
White. | ||
| Diaphaniety: |
Translucent | ||
| Fracture: |
Flexible - Flexible fragments. | ||
| Habit: |
Fibrous - Crystals made up of fibers. | ||
| Hardness: |
1-1.5 - Talc or a little harder | ||
| Luster: |
Vitreous - Silky | ||
| Streak: |
white | ||
Optical Properties of Biehlite |
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| Gladstone-Dale: |
CI calc= -0.016 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2195,KC= 0.216 |
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| Optical Data: |
Biaxial (?), b=2.15 | ||
Calculated Properties of Biehlite |
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| Electron Density: |
relectron=4.63 gm/cc |
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| Fermion Index |
Fermion Index = 0.05745 Boson Index = 0.94255 |
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| Photoelectric: |
PEBiehlite = 212.55 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Biehlite is Not Radioactive |
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Biehlite Classification |
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| Dana Class: |
48.2.4.1 (48)Anhydrous Molybdates and Tungstates | ||
| (48.2)where (A)2 XO4 | |||
| (48.2.4)Dana Group | |||
| Strunz Class: |
VI/G.02-05 VI - Sulfates,Chromates,Molybdates and Tungstates | ||
| VI/G - Molybdates [MoO4]2- and wolframates [WO4]2- | |||
| VI/G.02 - Lindgrenite - Phyllotungstite series | |||
Other Biehlite Information |
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| References: |
NAME( AmMin, Vol 86) PHYS. PROP.(AmMin, Vol 86) OPTIC PROP.(CanMin, Vol 38) | ||
| See Also: |
Links to other databases for Biehlite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - WWW-MINCRYST Search for Biehlite using: Visit our Advertisers for Biehlite : Translate Biehlite Mineral Data : Ask about Biehlite here : Print or Cut-and-Paste your Biehlite Specimen Label here :
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