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Cheremnykhite Mineral Data
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General Cheremnykhite Information
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 Chemical Formula: |
Zn3Pb3Te++++O6(VO4)2 |
| Composition: |
Molecular Weight = 1,271.24 gm |
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Vanadium 8.01 % V 14.31 % V2O5 |
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Zinc 15.43 % Zn 19.21 % ZnO |
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Tellurium 10.04 % Te 12.55 % TeO2 |
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Lead 48.90 % Pb 52.67 % PbO |
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Oxygen 17.62 % O |
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______ ______ |
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100.00 % 98.74 % = TOTAL OXIDE |
| Empirical Formula: |
Zn3Pb3(TeO6)(VO4)2 |
| Environment: |
Late-stage interstitial mineral in calcite. |
| IMA Status: |
Approved IMA 1990 |
| Locality: |
Kuranakh gold deposit, Central Aldan, Siberia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for I. M. Cheremnykh, Russian prospector, one of the discoverers of the Kuranakh deposit. |
| Synonym: |
IMA1989-017 |
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Cheremnykhite Crystallography
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| Axial Ratios: |
a:b:c =0.5773:1:0.3485 |
| Cell Dimensions: |
a = 8.58, b = 14.86, c = 5.18, Z = 2; V = 660.44 Den(Calc)= 6.39 |
| Crystal System: |
Orthorhombic Space Group: C mmm,C 222,Cm2m,C mm2 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.3(1), 3(0.9), 1.607(0.6), |
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Physical Properties of Cheremnykhite
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| Cleavage: |
{???} Perfect |
| Color: |
Greenish yellow. |
| Diaphaneity: |
Transparent |
| Habit: |
Tabular - Form dimensions are thin in one direction. |
| Hardness: |
5.5 - Knife Blade |
| Luminescence: |
Non-fluorescent. |
| Luster: |
Adamantine |
| Streak: |
white |
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Optical Properties of Cheremnykhite
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| Gladstone-Dale: |
CI calc= 0.108 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1554,KC= 0.1743
Ncalc = 2.11 |
| Optical Data: |
Biaxial (-), a=1.986, b=1.9965, g=1.997, bire=0.0110, 2V(Calc)=24, 2V(Meas)=20. Dispersion r > v. |
| Pleochroism (x): |
none. |
| Pleochroism (y): |
none. |
| Pleochroism (z): |
none. |
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Calculated Properties of Cheremnykhite
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| Electron Density: |
Bulk Density (Electron Density)=5.49 gm/cc
note: Specific Gravity of Cheremnykhite =6.39 gm/cc.
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| Fermion Index: |
Fermion Index = 0.12
Boson Index = 0.88 |
| Photoelectric: |
PECheremnykhite = 919.98 barns/electron
U=PECheremnykhite x rElectron Density=5,049.76 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cheremnykhite is Not Radioactive |
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Cheremnykhite Classification
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| Dana Class: |
33.03.05.01 (33)Selenates and Tellurates |
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(33.03)with other anion groups |
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(33.03.05)Pb, Zn Tellurates |
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33.03.05.01 Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho |
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33.03.05.02 Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m |
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33.03.05.03 Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m |
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33.03.05.04 Joelbruggerite! Pb3Zn3SbAs2O13(OH) P 321 3 2 |
| Strunz Class: |
08.BL.20 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1 |
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08.BL.20 Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m |
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08.BL.20 Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho |
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08.BL.20 Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m |
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Other Cheremnykhite Information
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| References: |
NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(Dana8) |
| See Also: |
Links to other databases for Cheremnykhite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Print or Cut-and-Paste your Cheremnykhite Specimen Label here :
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Cheremnykhite
Zn3Pb3Te++++O6(VO4)2
Dana No: 33.03.05.01 Strunz No: 08.BL.20
Locality:
Notes:
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