General Aluminoferrotschermakite Information Chemical Formula: |
[ ]Ca2(Fe2+)3Al2(Si6Al2)O22(OH)2 |
Composition: |
Molecular Weight = 910.14 gm |
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Calcium 8.81 % Ca 12.32 % CaO |
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Aluminum 11.86 % Al 22.41 % Al2O3 |
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Iron 18.41 % Fe 23.68 % FeO |
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Silicon 18.52 % Si 39.61 % SiO2 |
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Hydrogen 0.22 % H 1.98 % H2O |
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Oxygen 42.19 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Ca2Fe2+3Al4Si6O22(OH)2 |
IMA Status: |
Approved IMA 1997 (Dana # Added) |
Locality: |
Link to MinDat.org Location Data. |
Name Origin: |
Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. |
| | Aluminoferrotschermakite Image
Images:
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Aluminoferrotschermakite Crystallography Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Optical Properties of Aluminoferrotschermakite Optical Data: |
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| Calculated Properties of Aluminoferrotschermakite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEAluminoferrotschermakite = 7.60 barns/electron |
U=PEAluminoferrotschermakite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Aluminoferrotschermakite is Not Radioactive | Aluminoferrotschermakite Classification Dana Class: |
66.01.03a.06a (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.03a)Group 2, the calcic amphiboles |
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Strunz Class: |
09.DE.10 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 Aluminoferrotschermakite Information References: |
PHYS. PROP.(Min.Mag.,Vol.61,p305,1997) |
See Also: |
Links to other databases for Aluminoferrotschermakite : |
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 Aluminoferrotschermakite using: Visit our Advertisers for Aluminoferrotschermakite : A Bijoux Google Search for AluminoferrotschermakiteAdam's Minerals Google Search for Aluminoferrotschermakite Cape Minerals Google Search for Aluminoferrotschermakite Dakota Matrix Minerals Google Search for Aluminoferrotschermakite Excalibur Mineral Corp. Google Search for Aluminoferrotschermakite Exceptional Minerals Google Search for Aluminoferrotschermakite John Betts Fine Minerals Search for Aluminoferrotschermakite McDougall Minerals Google Search for Aluminoferrotschermakite Mineral News Website Link Rock and Mineral Shows Google Search for Aluminoferrotschermakite Weinrich Minerals, Inc. Google Search for Aluminoferrotschermakite Ask about Aluminoferrotschermakite here : Print or Cut-and-Paste your Aluminoferrotschermakite Specimen Label here :
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