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General Nickelskutterudite Information |
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 Chemical Formula: |
(Ni,Co)As3-x | ||
| Composition: |
Molecular Weight = 268.53 gm | ||
| Cobalt 5.49 % Co | |||
| Nickel 16.39 % Ni | |||
| Arsenic 78.12 % As | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Ni0.75Co0.25As2.8 | ||
| Environment: |
Moderate temperature ore veins. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1892 | ||
| Locality: |
Schneeberg, Saxony, Germany. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named as the nickel-rich version of skutterudite. | ||
| Synonym: |
Chloanthite | ||
| Dienerite | |||
| Nickel-skutterudite - Renamed Nickelskutterudite by Mineralogical Record, v39 (2008), p131 | |||
Nickelskutterudite Image | |||
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Nickelskutterudite Crystallography |
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| Cell Dimensions: |
a = 8.2, Z = 8; V = 551.37 Den(Calc)= 6.47 | ||
| Crystal System: |
Isometric - DiploidalH-M Symbol (2/m 3) Space Group: I m3 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.61(1), 1.616(0.9), 1.841(0.9),2.2(0.8), 1.213(0.7), 1.41(0.7), 1.681(0.7), | ||
Physical Properties of Nickelskutterudite |
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| Cleavage: |
{001} Distinct, {111} Distinct, {011} Parting | ||
| Color: |
Gray, Tin white, Gray. | ||
| Density: |
6.5 | ||
| Diaphaneity: |
Opaque | ||
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
| Habit: |
Crystalline - Fine - Occurs as well-formed fine sized crystals. | ||
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. | ||
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. | ||
| Hardness: |
5.5-6 - Knife Blade-Orthoclase | ||
| Luminescence: |
Non-fluorescent. | ||
| Luster: |
Metallic | ||
Optical Properties of Nickelskutterudite |
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| RL Color: |
Yellowish white, somewhat reddish in anisotropic zones. | ||
| RL Pleochroism: |
Weak to distinct in some zones. | ||
Calculated Properties of Nickelskutterudite |
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| Electron Density: |
Bulk Density (Electron Density)=5.79 gm/cc note: Specific Gravity of Nickelskutterudite =6.47 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.0018522898 Boson Index = 0.9981477102 |
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| Photoelectric: |
PENickelskutterudite = 65.38 barns/electron U=PENickelskutterudite x rElectron Density= 378.56 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Nickelskutterudite is Not Radioactive |
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Nickelskutterudite Classification |
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| Dana Class: |
02.12.17.02 (02)Sulfides - Including Selenides and Tellurides | ||
| (02.12)where Am Bn Xp, with (m+n):p=1:2 | |||
| (02.12.17)Skutterudite Series | |||
| Strunz Class: |
02.EC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf | ||
| 02.E - Metal Sulfides, M:S £ 1:2 | |||
| 02.EC -M:S = 1:>2 | |||
Other Nickelskutterudite Information |
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| References: |
NAME( Dana7) PHYS. PROP.(Dana7) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Nickelskutterudite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Nickelskutterudite using: Visit our Advertisers for Nickelskutterudite : A Bijoux Google Search for NickelskutteruditeAdam's Minerals Google Search for Nickelskutterudite Cape Minerals Google Search for Nickelskutterudite Dakota Matrix Minerals Google Search for Nickelskutterudite Excalibur Mineral Corp. Google Search for Nickelskutterudite Exceptional Minerals Google Search for Nickelskutterudite John Betts Fine Minerals Search for Nickelskutterudite McDougall Minerals Google Search for Nickelskutterudite Mineral News Website Link Rock and Mineral Shows Google Search for Nickelskutterudite Weinrich Minerals, Inc. Google Search for Nickelskutterudite Ask about Nickelskutterudite here : Print or Cut-and-Paste your Nickelskutterudite Specimen Label here :
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