General Ferritschermakite Information Chemical Formula: |
Ca2(Fe++,Mg)3Al2(Si7Al)O22(OH)2 |
Composition: |
Molecular Weight = 879.70 gm |
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Calcium 9.11 % Ca 12.75 % CaO |
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Magnesium 2.76 % Mg 4.58 % MgO |
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Aluminum 9.20 % Al 17.39 % Al2O3 |
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Iron 12.70 % Fe 16.33 % FeO |
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Silicon 22.35 % Si 47.81 % SiO2 |
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Hydrogen 0.23 % H 2.05 % H2O |
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Oxygen 43.65 % O |
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______ ______ |
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100.00 % 100.91 % = TOTAL OXIDE |
Empirical Formula: |
Ca2Fe2+2MgAl3Si7O22(OH)2 |
IMA Status: |
Approved IMA 1978 |
Locality: |
Link to MinDat.org Location Data. |
Name Origin: |
Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. |
Name Pronunciation: |
Ferritschermakite |
| | Ferritschermakite Image
Images:
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Ferritschermakite Crystallography Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Physical Properties of Ferritschermakite Diaphaneity: |
Transparent to Translucent |
Hardness: |
5-6 - Between Apatite and Orthoclase |
Luster: |
Vitreous (Glassy) |
| Optical Properties of Ferritschermakite Optical Data: |
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| Calculated Properties of Ferritschermakite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEFerritschermakite = 6.05 barns/electron |
U=PEFerritschermakite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ferritschermakite is Not Radioactive | Ferritschermakite Classification Dana Class: |
66.01.03a.08 (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 Ferritschermakite Information References: |
NAME( Dana8) PHYS. PROP.(List of New Min. Names,28-33th,1974-1984) |
See Also: |
Links to other databases for Ferritschermakite : |
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 Ferritschermakite using: Visit our Advertisers for Ferritschermakite : A Bijoux Google Search for FerritschermakiteAdam's Minerals Google Search for Ferritschermakite Cape Minerals Google Search for Ferritschermakite Dakota Matrix Minerals Google Search for Ferritschermakite Excalibur Mineral Corp. Google Search for Ferritschermakite Exceptional Minerals Google Search for Ferritschermakite John Betts Fine Minerals Search for Ferritschermakite McDougall Minerals Google Search for Ferritschermakite Mineral News Website Link Rock and Mineral Shows Google Search for Ferritschermakite Weinrich Minerals, Inc. Google Search for Ferritschermakite Ask about Ferritschermakite here : Print or Cut-and-Paste your Ferritschermakite Specimen Label here :
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