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Kuksite Mineral Data
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General Kuksite Information
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 Chemical Formula: |
Pb3Zn3Te++++++O6(PO4)2 |
| Composition: |
Molecular Weight = 1,231.31 gm |
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Zinc 15.93 % Zn 19.83 % ZnO |
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Tellurium 10.36 % Te 12.96 % TeO2 |
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Phosphorus 5.03 % P 11.53 % P2O5 |
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Lead 50.48 % Pb 54.38 % PbO |
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Oxygen 18.19 % O |
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______ ______ |
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100.00 % 98.70 % = TOTAL OXIDE |
| Empirical Formula: |
Pb3Zn3TeO6(PO4)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 A. I. Kuks, Russian prospector, one of the discoverers of the Kuranakh deposit. |
| Name Pronunciation: |
Kuksite  |
| Synonym: |
IMA1989-018 |
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Kuksite Crystallography
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| Axial Ratios: |
a:b:c =0.5774:1:0.3525 |
| Cell Dimensions: |
a = 8.5, b = 14.72, c = 5.19, Z = 2; V = 649.37 Den(Calc)= 6.30 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mmm |
| X Ray Diffraction: |
By Intensity(I/Io): 3.29(1), 3(0.8), 1.903(0.5), |
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Physical Properties of Kuksite
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| Cleavage: |
{???} Perfect |
| Color: |
Gray. |
| Diaphaneity: |
Transparent to subtranslucent |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Tabular - Form dimensions are thin in one direction. |
| Hardness: |
5 - Apatite |
| Luminescence: |
Weakly Fluorescent. |
| Luster: |
Adamantine |
| Streak: |
white |
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Optical Properties of Kuksite
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| Gladstone-Dale: |
CI calc= -0.027 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1549,KC= 0.1508
Ncalc = 1.95 |
| Optical Data: |
Biaxial (-), a=1.971, g=1.981, bire=0.0100, 2V(Meas)=12-20. |
| Pleochroism (x): |
none. |
| Pleochroism (y): |
none. |
| Pleochroism (z): |
none. |
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Calculated Properties of Kuksite
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| Electron Density: |
Bulk Density (Electron Density)=5.42 gm/cc
note: Specific Gravity of Kuksite =6.30 gm/cc.
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| Fermion Index: |
Fermion Index = 0.12
Boson Index = 0.88 |
| Photoelectric: |
PEKuksite = 946.26 barns/electron
U=PEKuksite x rElectron Density=5,132.03 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kuksite is Not Radioactive |
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Kuksite Classification
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| Dana Class: |
33.03.05.02 (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 Kuksite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
| See Also: |
Links to other databases for Kuksite :
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 Kuksite Specimen Label here :
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Kuksite
Pb3Zn3Te++++++O6(PO4)2
Dana No: 33.03.05.02 Strunz No: 08.BL.20
Locality:
Notes:
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