[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com] Weinrich Minerals Auctions, Inc Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens The Place To Find Great Specimens At Great Prices! General Ferribarroisite InformationCaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2 |
Molecular Weight = 928.23 gm |
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Sodium 2.48 % Na 3.34 % Na2O |
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Calcium 4.32 % Ca 6.04 % CaO |
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Magnesium 1.96 % Mg 3.26 % MgO |
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Aluminum 2.91 % Al 5.49 % Al2O3 |
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Iron 25.57 % Fe 17.42 % FeO / 17.20 % Fe2O3 |
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Silicon 21.18 % Si 45.31 % SiO2 |
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Hydrogen 0.22 % H 1.94 % H2O |
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Oxygen 41.37 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
CaNaFe2+2.25Mg0.75Fe3+2(Si7AlO22)(OH)2 |
Approved IMA 1997 |
Link to MinDat.org Location Data. |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
Ferribarroisite + Pronunciation |
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Ferribarroisite Crystallography Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Physical Properties of FerribarroisiteTransparent to Translucent |
5-6 - Between Apatite and Orthoclase |
Vitreous (Glassy) |
| Optical Properties of Ferribarroisite |
| Calculated Properties of FerribarroisiteFermion Index = 0.01 |
Boson Index = 0.99 PEFerribarroisite = 9.11 barns/electron |
U=PEFerribarroisite x rElectron Density= . barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ferribarroisite is Not Radioactive | Ferribarroisite Classification66.01.03b.07 (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 Ferribarroisite InformationPHYS. PROP.(Min.Mag.,Vol.61,p306,1997) |
Links to other databases for Ferribarroisite : |
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 Ferribarroisite using: Visit our Advertisers for Ferribarroisite : 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 Ferribarroisite Mineral Data : Ask about Ferribarroisite here : Print or Cut-and-Paste your Ferribarroisite Specimen Label here :
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