General Miassite Information![]() Rh17S15 |
![]() Molecular Weight = 2,230.38 gm |
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Rhodium 78.43 % Rh |
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Sulfur 21.57 % S |
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100.00 % |
![]() Rh17S15 |
![]() Inclusions in isoferroplatinum from placer concentrates. The rhodium and sulfur analogue of palladseite. Identical with prassoite. |
![]() Approved IMA 1997 (Dana # Added) |
![]() Miass river, Ural Mountains, Russia Link to MinDat.org Location Data. |
![]() Named after the locality. |
![]() IMA1997-029 |
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Prassoite |
| | Miassite Image
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Miassite Crystallography![]() a = 10.024, Z = 2; V = 1,007.22 Den(Calc)= 7.35 |
![]() Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P m3m |
![]() By Intensity(I/Io): 1.774(1)(440), 3.02(0.9)(311), 2.24(0.9)(420),1.931(0.8)(333,511), 3.19(0.7)(310), 2.68(0.5)(321), |
| Physical Properties of Miassite![]() None |
![]() Gray. |
![]() Opaque |
![]() Brittle - Generally displayed by glasses and most non-metallic minerals. |
![]() Inclusions - Generally found as inclusions in other minerals. |
![]() 5.5-6 - Knife Blade-Orthoclase |
![]() Metallic |
| Optical Properties of Miassite![]() Light gray with no internal reflections. |
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| Calculated Properties of Miassite![]() Bulk Density (Electron Density)=6.62 gm/cc |
note: Specific Gravity of Miassite =7.35 gm/cc. ![]() Fermion Index = 0.0016174012 |
Boson Index = 0.9983825988 ![]() PEMiassite = 171.51 barns/electron |
U=PEMiassite x rElectron Density=1,136.02 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Miassite is Not Radioactive | Miassite Classification![]() 02.16.19.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.19)Palladseite Group |
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![]() 02.BC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BC -With Rh, Pd, Pt, etc. |
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| Other Miassite Information![]() NAME( AmMin, Vol 87, p 1511) PHYS. PROP.(AmMin, Vol 87, p 1511) OPTIC PROP.(AmMin, Vol 87, p 1511) |
![]() Links to other databases for Miassite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Miassite using: Visit our Advertisers for Miassite : A Bijoux Google Search for MiassiteAdam's Minerals Google Search for Miassite Cape Minerals Google Search for Miassite Dakota Matrix Minerals Google Search for Miassite Excalibur Mineral Corp. Google Search for Miassite Exceptional Minerals Google Search for Miassite John Betts Fine Minerals Search for Miassite McDougall Minerals Google Search for Miassite Mineral News Website Link Rock and Mineral Shows Google Search for Miassite Weinrich Minerals, Inc. Google Search for Miassite Ask about Miassite here : Print or Cut-and-Paste your Miassite Specimen Label here :
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