Kharaelakhite Mineral Data + 
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- 2.7.5.1 Kharaelakhite (Pt,Cu,Pb,Fe,Ni)9S8 P mmm 2/m 2/m 2/m
- II/B.17-10 Mackinawite (Fe,Ni)S0.9 P 4/nmm 4/m 2/m 2/m
- II/B.17-20 Godlevskite (Ni,Fe)9S8 C 222 2 2 2
- II/B.17-30 Kharaelakhite (Pt,Cu,Pb,Fe,Ni)9S8 P mmm 2/m 2/m 2/m
General Kharaelakhite Information |
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 Chemical Formula: |
(Pt,Cu,Pb,Fe,Ni)9S8 | ||
| Composition: |
Molecular Weight = 880.29 gm | ||
| Iron 4.76 % Fe | |||
| Copper 18.05 % Cu | |||
| Nickel 1.67 % Ni | |||
| Platinum 11.08 % Pt | |||
| Lead 35.31 % Pb | |||
| Sulfur 29.14 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Pt0.5Cu2.5Pb1.5Fe2+0.75Ni0.25S8 | ||
| Environment: |
In hydrothermal chalcopyrite ores. | ||
| IMA Status: |
Approved IMA 1985 | ||
| Locality: |
From the Talnakh deposit, Noril'sk region, western Siberia, USSR. Link to MinDat.org Location Data. | ||
| Name Origin: |
For the Kharaelakh Plateau, Noril'sk region, USSR. | ||
Search for Kharaelakhite Images | |||
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Images:
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Kharaelakhite Crystallography |
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| Axial Ratios: |
a:b:c =1.1656:1:1.74 | ||
| Cell Dimensions: |
a = 9.713, b = 8.333, c = 14.5, Z = 6; V = 1,173.61 Den(Calc)= 7.47 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P mmm | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.03(1), 1.854(0.8), 1.591(0.6), | ||
Physical Properties of Kharaelakhite |
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| Color: |
Bronze brown. | ||
| Density: |
7.78 | ||
| Diaphaniety: |
Opaque | ||
| Luster: |
Metallic | ||
Optical Properties of Kharaelakhite |
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| Optical Data: |
NCalc= 1.78 - from Gladstone-Dale relationship (KC = 0.1042) where Ncalc=Dcalc*KC+1 NCalc= 1.81 - from Gladstone-Dale relationship (KC = 0.1042) where Ncalc=Dmeas*KC+1 |
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| RL Anisotrophism: |
Distinct, from pink-lilac to bluish. | ||
| RL Color: |
Brownish lilac tint. | ||
Calculated Properties of Kharaelakhite |
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| Electron Density: |
relectron=6.60 gm/cc |
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| Fermion Index |
Fermion Index = 0.11886 Boson Index = 0.88114 |
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| Photoelectric: |
PEKharaelakhite = 788.27 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kharaelakhite is Not Radioactive |
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Kharaelakhite Classification |
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| Dana Class: |
2.7.5.1 (2)Sulfides - Including Selenides and Tellurides | ||
| (2.7)where Am Bn Xp, with (m+n):p=9:8 | |||
| (2.7.5)Dana Group | |||
| Strunz Class: |
II/B.17-30 II - Sulfides and sulphosalts | ||
| II/B - Sulfides with metal: sulfur, selenium and tellurium > 1:1, Sulfides with predominant Nickel, Cobalt, Rhodium and Palladium and related compounds | |||
| II/B.17 - Mackinawite - Karaelakhite series | |||
Other Kharaelakhite Information |
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.74,p1215,1989) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Kharaelakhite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Kharaelakhite using: Visit our Advertisers for Kharaelakhite : Translate Kharaelakhite Mineral Data : Ask about Kharaelakhite here : Print or Cut-and-Paste your Kharaelakhite Specimen Label here :
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