[Minerals] [Gems] [Sale Items] [Gold Rings] [Big Stuff] [Main Page] Shop early for Holiday Season and get the best stuff. You can put it on layaway for up to six weeks! 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 Diamond Dan Publications e-Rocks Auctions Excalibur Minerals Exceptional 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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