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Hydrougrandite Mineral Data |
General Hydrougrandite Information |
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(Ca,Mg,Fe++)3(Fe+++,Al)2(SiO4)3-x(OH)4x | |
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Molecular Weight = 460.23 gm | |
Calcium 15.68 % Ca 21.93 % CaO | ||
Magnesium 4.75 % Mg 7.88 % MgO | ||
Aluminum 2.93 % Al 5.54 % Al2O3 | ||
Iron 21.84 % Fe 4.68 % FeO / 26.02 % Fe2O3 | ||
Silicon 12.21 % Si 26.11 % SiO2 | ||
Hydrogen 0.88 % H 7.83 % H2O | ||
Oxygen 41.72 % O | ||
______ ______ | ||
100.00 % 100.00 % = TOTAL OXIDE | ||
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Ca1.8Mg0.9Fe2+0.3Fe3+1.5Al0.5(SiO4)2(OH)4 | |
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Discredited IMA 1966 - Valid Species (Pre-IMA) 1954 | |
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Hsiao-sungshan, China. Link to MinDat.org Location Data. | |
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Named as the hydrous analog of ugrandite. | |
Hydrougrandite Crystallography |
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Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d | |
Physical Properties of Hydrougrandite |
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Green. | |
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3.45 | |
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Transparent to Translucent | |
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Vitreous (Glassy) | |
Optical Properties of Hydrougrandite |
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NCalc= 1.85 - from Gladstone-Dale relationship (KC = 0.245) where Ncalc=Dmeas*KC+1 | |
Calculated Properties of Hydrougrandite |
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Bulk Density (Electron Density)=3.42 gm/cc note: Specific Gravity of Hydrougrandite =3.45 gm/cc. |
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Fermion Index = 0.01 Boson Index = 0.99 |
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PEHydrougrandite = 9.03 barns/electron U=PEHydrougrandite x rElectron Density= 30.89 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hydrougrandite is Not Radioactive |
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Hydrougrandite Classification |
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51.00.00.00 (51)Nesosilicate Minerals | |
(51.00)Without Dana Classification Numbers | ||
(51.00.00)Nesosilicate | ||
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09.AX.00 09 - SILICATES (Germanates) | |
09.A - Unclassified Strunz Nesosilicates | ||
09.AX -Nesosilicate | ||
Other Hydrougrandite Information |
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NAME( Acta Geol. Sinica, 44, 219) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) | |
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Links to other databases for Hydrougrandite : 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 Hydrougrandite using: Visit our Advertisers for Hydrougrandite :
Dakota Matrix Ask about Hydrougrandite here : Print or Cut-and-Paste your Hydrougrandite Specimen Label here :
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