[Newest Minerals] [Mineral Auctions] [Mineral Gallery] The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame Visa, PayPal, and Mastercard are Welcomed General Osmium Information(Os,Ir) |
Molecular Weight = 190.71 gm |
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Iridium 25.20 % Ir |
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Osmium 74.80 % Os |
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100.00 % |
Os0.75Ir0.25 |
In magmatic segregation deposits and concentrated in placers derived from ultrabasic rocks. |
Valid Species (Pre-IMA) 1804 |
Urals Region, Sverdlovskaya Oblast', Nizhnii Tagi, Russia. Link to MinDat.org Location Data. |
Named for the principle element in the composition. |
Osmium |
ICSD 40323 |
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Iridosmine |
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Nevyanakite |
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PDF 41-601 |
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Rutheniridosmium |
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Siserskite |
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Osmium Crystallographya:c = 1:1.58953 |
a = 2.714, c = 4.314, Z = 2; V = 27.52 Den(Calc)= 23.01 |
Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
By Intensity(I/Io): 1.22(1), 2.13(1), 1.35(0.6), |
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Mouse
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| Physical Properties of Osmium{0001} Perfect |
Steel gray. |
19 - 21, Average = 20 |
Opaque |
Elastic - Fragments which spring back after bending. |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
6-7 - Orthoclase-Quartz |
Metallic |
gray |
| Optical Properties of OsmiumWeak to moderate. |
White, bluish gray tint. |
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| Calculated Properties of OsmiumBulk Density (Electron Density)=18.4 gm/cc |
note: Specific Gravity of Osmium =23.0 gm/cc. Fermion Index = 0.13 |
Boson Index = 0.87 PEOsmium =1,493.21 barns/electron |
U=PEOsmium x rElectron Density=27475.43 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Osmium is Not Radioactive | Osmium Classification01.02.02.01 (01)Native Elements |
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(01.02)with platinum group metals and alloys |
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(01.02.02)Osmium group (Space Group P63/mmc) |
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01.AF.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.A - Metals and Intermetallic Alloys |
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01.AF -Platinum-group elements |
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| Other Osmium InformationNAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
Links to other databases for Osmium : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Osmium using: Visit our Advertisers for Osmium : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Osmium Mineral Data : Ask about Osmium here : Print or Cut-and-Paste your Osmium Specimen Label here :
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