[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com] Dan Weinrich Auctions Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens The Place To Find Great Specimens At Great Prices! General Ferroferriwinchite InformationCaNa(Fe++,Mg)4Fe+++[Si8O22](OH)2 |
Molecular Weight = 921.45 gm |
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Sodium 2.49 % Na 3.36 % Na2O |
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Calcium 4.35 % Ca 6.09 % CaO |
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Magnesium 2.64 % Mg 4.37 % MgO |
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Iron 24.24 % Fe 23.39 % FeO / 8.67 % Fe2O3 |
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Silicon 24.38 % Si 52.17 % SiO2 |
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Hydrogen 0.22 % H 1.96 % H2O |
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Oxygen 41.67 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
CaNaFe2+3MgFe3+(Si8O22)(OH)2 |
Not Approved IMA |
Link to MinDat.org Location Data. |
Named for its composition and for Howard J. Winch, Geological survey of India. |
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| | Ferroferriwinchite Crystallography Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Optical Properties of Ferroferriwinchite |
| Calculated Properties of FerroferriwinchiteFermion Index = 0.01 |
Boson Index = 0.99 PEFerroferriwinchite = 8.76 barns/electron |
U=PEFerroferriwinchite x rElectron Density= . barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ferroferriwinchite is Not Radioactive | Ferroferriwinchite Classification66.01.03b.04 (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.03b)Group 3, the sodic-calcic amphiboles |
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09.DE.20 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family |
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| Other Ferroferriwinchite InformationNAME( Dana8) |
Links to other databases for Ferroferriwinchite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Ferroferriwinchite using: Visit our Advertisers for Ferroferriwinchite : 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 Ferroferriwinchite Mineral Data : Ask about Ferroferriwinchite here : Print or Cut-and-Paste your Ferroferriwinchite Specimen Label here :
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