|
| Home | Crystal | jmol | jPOWD | Chem | X Ray | Dana | Strunz | Properties | A to Z | Images | Share | News | Help | About |
General Osarsite Information |
|||
 Chemical Formula: |
(Os,Ru)AsS | ||
| Composition: |
Molecular Weight = 274.91 gm | ||
| Arsenic 27.25 % As | |||
| Osmium 51.89 % Os | |||
| Ruthenium 9.19 % Ru | |||
| Sulfur 11.66 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Os0.75Ru0.25AsS | ||
| Environment: |
In a platinum-bearing sample of placer sand. | ||
| IMA Status: |
Approved IMA 1972 | ||
| Locality: |
Gold Bluff, 3 to 6 miles north of Orick, Humboldt Co., California. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after it's chemical composition of osmium and arsenic. | ||
| Name Pronunciation: |
Osarsite  |
||
| Synonym: |
ICSD 42580 | ||
| PDF 25-595 | |||
Search for Osarsite Images | |||
|
Images:
|
|
||
Osarsite Crystallography |
|||
| Axial Ratios: |
a:b:c =1.0028:1:1.0157 | ||
| Cell Dimensions: |
a = 5.933, b = 5.916, c = 6.009, Z = 4; beta = 112.35° V = 195.07 Den(Calc)= 9.36 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 1.892(1), 3.79(1), 1.87(0.8), | ||
Physical Properties of Osarsite |
|||
| Color: |
Gray. | ||
| Density: |
8.44 | ||
| Diaphaneity: |
Opaque | ||
| Habit: |
Intergrown Crystals - Occurs as intergrown crystalline aggregates | ||
| Hardness: |
6 - Orthoclase | ||
| Luster: |
Metallic | ||
Optical Properties of Osarsite |
|||
| RL Anisotrophism: |
Weak but distinct in air. | ||
| RL Color: |
Gray. | ||
Calculated Properties of Osarsite |
|||
| Electron Density: |
Bulk Density (Electron Density)=7.97 gm/cc note: Specific Gravity of Osarsite =9.36 gm/cc. |
||
| Fermion Index: |
Fermion Index = 0.12 Boson Index = 0.88 |
||
| Photoelectric: |
PEOsarsite = 759.50 barns/electron U=PEOsarsite x rElectron Density=6,051.10 barns/cc. |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Osarsite is Not Radioactive |
||
Osarsite Classification |
|||
| Dana Class: |
02.12.04.03 (02)Sulfides - Including Selenides and Tellurides | ||
| (02.12)where Am Bn Xp, with (m+n):p=1:2 | |||
| (02.12.04)Arsenopyrite Group (Monoclinic: P21/c (Pseudo-orthorhombic)) | |||
| Strunz Class: |
02.EB.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf | ||
| 02.E - Metal Sulfides, M:S £ 1:2 | |||
| 02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc. | |||
Other Osarsite Information |
|||
| References: |
NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Osarsite : 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 Osarsite using: Visit our Advertisers for Osarsite : A Bijoux Google Search for OsarsiteAdam's Minerals Google Search for Osarsite Cape Minerals Google Search for Osarsite Dakota Matrix Minerals Google Search for Osarsite Excalibur Mineral Corp. Google Search for Osarsite Exceptional Minerals Google Search for Osarsite John Betts Fine Minerals Search for Osarsite McDougall Minerals Google Search for Osarsite Mineral News Website Link Rock and Mineral Shows Google Search for Osarsite Weinrich Minerals, Inc. Google Search for Osarsite Ask about Osarsite here : Print or Cut-and-Paste your Osarsite Specimen Label here :
|
||
