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Dmisteinbergite Mineral Data |
General Dmisteinbergite Information |
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CaAl2Si2O8 | ||
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Molecular Weight = 278.21 gm | ||
Calcium 14.41 % Ca 20.16 % CaO | |||
Aluminum 19.40 % Al 36.65 % Al2O3 | |||
Silicon 20.19 % Si 43.19 % SiO2 | |||
Oxygen 46.01 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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CaAl2Si2O8 | ||
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Sublimate (700-900 deg C) form burning coal dump. | ||
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Approved IMA 1990 | ||
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Kopeysk, Chelyabinsk coal basin, southern Ural mountains, Russia. Link to MinDat.org Location Data. | ||
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Named for Dmitri Sergeievich Steinberg (1910-1992), Russian petrographer, Institute of Geology, Ekaterinburg, Russa. | ||
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Dmisteinbergite + Pronunciation ![]() |
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ICSD 26486 | ||
IMA1989-010 | |||
PDF 31-248 | |||
Dmisteinbergite Image | |||
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Dmisteinbergite Crystallography |
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a:c = 1:2.88578 | ||
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a = 5.122, c = 14.781, Z = 2; V = 335.83 Den(Calc)= 2.75 | ||
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Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6/mmm | ||
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By Intensity(I/Io): 3.73(1), 2.57(0.8), 2.85(0.7), | ||
Physical Properties of Dmisteinbergite |
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{???} Perfect | ||
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Colorless. | ||
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Transparent | ||
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6 - Orthoclase | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Dmisteinbergite |
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CI calc= -0.009 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.21,KC= 0.208 Ncalc = 1.57 |
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Uniaxial (+), w=1.575, e=1.58, bire=0.0050. | ||
Calculated Properties of Dmisteinbergite |
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Bulk Density (Electron Density)=2.73 gm/cc note: Specific Gravity of Dmisteinbergite =2.75 gm/cc. |
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Fermion Index = 0.0098442021 Boson Index = 0.9901557979 |
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PEDmisteinbergite = 3.12 barns/electron U=PEDmisteinbergite x rElectron Density= 8.50 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Dmisteinbergite is Not Radioactive |
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Dmisteinbergite Classification |
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76.01.07.01 (76)Tectosilicate Al-Si Framework | ||
(76.01)with Al-Si frameworks | |||
(76.01.07)Dana Group | |||
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09.EG.15 09 - SILICATES (Germanates) | ||
09.E - Phyllosilicates | |||
09.EG -Double nets with 6-membered and larger rings | |||
Other Dmisteinbergite Information |
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NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(Dana8) | ||
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Links to other databases for Dmisteinbergite : 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 Dmisteinbergite using: Visit our Advertisers for Dmisteinbergite : Ask about Dmisteinbergite here : Print or Cut-and-Paste your Dmisteinbergite Specimen Label here :
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