[Newest Minerals] [Rare Minerals] [Cabinet Specimens] [About Us] [Image Gallery] Dakota Matrix Minerals Updated weekly, for the collector, educator, and researcher since 1996 Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome General Ferrowinchite Information[ ](CaNa)Fe++4(Al,Fe+++)Si8O22(OH)2 |
Molecular Weight = 931.34 gm |
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Sodium 2.47 % Na 3.33 % Na2O |
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Calcium 4.30 % Ca 6.02 % CaO |
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Aluminum 2.17 % Al 4.11 % Al2O3 |
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Iron 25.48 % Fe 30.86 % FeO / 2.14 % Fe2O3 |
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Silicon 24.12 % Si 51.61 % SiO2 |
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Hydrogen 0.22 % H 1.93 % H2O |
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Oxygen 41.23 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
CaNaFe2+4Al0.75Fe3+0.25(Si8O22)(OH)2 |
Approved IMA 1978 |
Link to MinDat.org Location Data. |
Named for its composition and for Howard J. Winch, Geological survey of India. |
Ferrowinchite + Pronunciation |
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Ferrowinchite Crystallography Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Physical Properties of Ferrowinchite{???} Good |
Blue green, Light green. |
5-6 - Between Apatite and Orthoclase |
white |
| Optical Properties of Ferrowinchite |
| Calculated Properties of FerrowinchiteFermion Index = 0.01 |
Boson Index = 0.99 PEFerrowinchite = 9.12 barns/electron |
U=PEFerrowinchite x rElectron Density= . barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ferrowinchite is Not Radioactive | Ferrowinchite Classification66.01.03b.02 (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 Ferrowinchite InformationNAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Ferrowinchite : |
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 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Ferrowinchite using: Visit our Advertisers for Ferrowinchite : B & L Fine MineralsDan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Excalibur Minerals Exceptional Minerals Fabre Minerals John Betts Fine Minerals Lapis Mineral Journal Mineral News UV Tools Wrights Rock Shop Translate Ferrowinchite Mineral Data : Ask about Ferrowinchite here : Print or Cut-and-Paste your Ferrowinchite Specimen Label here :
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