[What's New] [Mineral Galleries] [About Us] [Contacts] [Login] At AA Mineral Specimens, we source quality Mineral Specimens, Fossils, Gemstones, Decorative Stones, Lapidary Material and Specimen Sets world-wide 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 - Google Images 6 - Google Scholar 7 - MinDAT 8 - MinMax(Deutsch) 9 - MinMax(English) 10 - Mineralienatlas (Deutsch) 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Ferrowinchite using: Visit our Advertisers for Ferrowinchite : 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 Ferrowinchite Mineral Data : Ask about Ferrowinchite here : Print or Cut-and-Paste your Ferrowinchite Specimen Label here :
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