[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store] See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM] Rare Minerals, Meteorites, Equipment and Analytical Services Excalibur Mineral Company, World leaders in the supply of rare species Serving the scientific and collector communities since 1974 General Aluminoferrobarroisite Information[ ]CaNa(Fe2+)3Al2(Si7Al)O22(OH)2 |
Molecular Weight = 894.15 gm |
|
Sodium 2.57 % Na 3.47 % Na2O |
|
Calcium 4.48 % Ca 6.27 % CaO |
|
Aluminum 9.05 % Al 17.10 % Al2O3 |
|
Iron 18.74 % Fe 24.11 % FeO |
|
Silicon 21.99 % Si 47.04 % SiO2 |
|
Hydrogen 0.23 % H 2.01 % H2O |
|
Oxygen 42.94 % O |
|
______ ______ |
|
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). |
| | Search for Aluminoferrobarroisite Images
|
|
| | 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 |
|
(66.01)with P=2 amphibole configuration |
|
(66.01.03b)Group 3, the sodic-calcic amphiboles |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
09.DE.20 09 - SILICATES (Germanates) |
|
09.D - Inosilicates* Structural terminology according to Liebau (1985) |
|
09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 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 - 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 Aluminoferrobarroisite using: Visit our Advertisers for Aluminoferrobarroisite : 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 Aluminoferrobarroisite Mineral Data : Ask about Aluminoferrobarroisite here : Print or Cut-and-Paste your Aluminoferrobarroisite Specimen Label here :
| |
|
| | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||