[Current Minerals] [Order Status] [Policies] [e-Bay Items] B & L Minerals, Fine Mineral specimens for sale for collectors of all levels General Aluminoferrobarroisite Information[ ]CaNa(Fe2+)3Al2(Si7Al)O22(OH)2 |
Molecular Weight = 894.15 gm |
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Sodium 2.57 % Na 3.47 % Na2O |
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Calcium 4.48 % Ca 6.27 % CaO |
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Aluminum 9.05 % Al 17.10 % Al2O3 |
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Iron 18.74 % Fe 24.11 % FeO |
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Silicon 21.99 % Si 47.04 % SiO2 |
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Hydrogen 0.23 % H 2.01 % H2O |
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Oxygen 42.94 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
CaNaFe2+3Al2(Si7AlO22)(OH)2 |
Approved IMA 1997 (Dana # Added) |
Link to MinDat.org Location Data. |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
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| | Aluminoferrobarroisite Crystallographya:b:c =0.5499:1:0.2944 |
a = 9.9, b = 18, c = 5.3, Z = 2; beta = 105° V = 912.28 Den(Calc)= 3.25 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Physical Properties of Aluminoferrobarroisite2.94 |
| Optical Properties of AluminoferrobarroisiteNCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.2052) where Ncalc=Dcalc*KC+1 |
NCalc= 1.6 - from Gladstone-Dale relationship (KC = 0.2052) where Ncalc=Dmeas*KC+1 | Calculated Properties of AluminoferrobarroisiteBulk Density (Electron Density)=3.20 gm/cc |
note: Specific Gravity of Aluminoferrobarroisite =3.25 gm/cc. Fermion Index = 0.01 |
Boson Index = 0.99 PEAluminoferrobarroisite = 7.25 barns/electron |
U=PEAluminoferrobarroisite x rElectron Density= 23.19 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Aluminoferrobarroisite is Not Radioactive | Aluminoferrobarroisite Classification66.01.03b.06a (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 Aluminoferrobarroisite InformationPHYS. PROP.(Min.Mag.,Vol.61,p305,1997) |
Links to other databases for Aluminoferrobarroisite : |
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 Aluminoferrobarroisite using: Visit our Advertisers for Aluminoferrobarroisite : 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 Aluminoferrobarroisite Mineral Data : Ask about Aluminoferrobarroisite here : Print or Cut-and-Paste your Aluminoferrobarroisite Specimen Label here :
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