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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. | ||
| Name Pronunciation: |
Kharaelakhite + Pronunciation  |
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Kharaelakhite Image | |||
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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 | ||
| Diaphaneity: |
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: |
Bulk Density (Electron Density)=6.60 gm/cc note: Specific Gravity of Kharaelakhite =7.47 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.11 Boson Index = 0.89 |
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| Photoelectric: |
PEKharaelakhite = 788.27 barns/electron U=PEKharaelakhite x rElectron Density=5,204.14 barns/cc. |
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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: |
02.07.05.01 (02)Sulfides - Including Selenides and Tellurides | ||
| (02.07)where Am Bn Xp, with (m+n):p=9:8 | |||
| (02.07.05)Dana Group | |||
| Strunz Class: |
02.BC.70 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf | ||
| 02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) | |||
| 02.BC -With Rh, Pd, Pt, etc. | |||
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 - 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 Search for Kharaelakhite using: Visit our Advertisers for Kharaelakhite : A Bijoux Google Search for KharaelakhiteAdam's Minerals Google Search for Kharaelakhite Cape Minerals Google Search for Kharaelakhite Dakota Matrix Minerals Google Search for Kharaelakhite Excalibur Mineral Corp. Google Search for Kharaelakhite Exceptional Minerals Google Search for Kharaelakhite John Betts Fine Minerals Search for Kharaelakhite McDougall Minerals Google Search for Kharaelakhite Mineral News Website Link Rock and Mineral Shows Google Search for Kharaelakhite Weinrich Minerals, Inc. Google Search for Kharaelakhite Ask about Kharaelakhite here : Print or Cut-and-Paste your Kharaelakhite Specimen Label here :
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