General Ferro-anthophyllite Information Chemical Formula: |
[ ]Fe++7Si8O22(OH)2 |
Composition: |
Molecular Weight = 1,001.61 gm |
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Iron 39.03 % Fe 50.21 % FeO |
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Silicon 22.43 % Si 47.99 % SiO2 |
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Hydrogen 0.20 % H 1.80 % H2O |
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Oxygen 38.34 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Fe2+7(Si8O22)(OH)2 |
IMA Status: |
Valid Species (Pre-IMA) 1921 |
Locality: |
Link to MinDat.org Location Data. |
Name Origin: |
From its composition and from the Latin anthophyllum - "clove" in allusion to the color. |
| | Ferro-anthophyllite Image
Images:
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Ferro-anthophyllite Crystallography Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma |
| Physical Properties of Ferro-anthophyllite Color: |
Green. |
Diaphaneity: |
Transparent to Subopaque |
Hardness: |
5.5-6 - Knife Blade-Orthoclase |
Luster: |
Vitreous - Silky |
| Optical Properties of Ferro-anthophyllite Optical Data: |
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| Calculated Properties of Ferro-anthophyllite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEFerro-anthophyllite = 12.52 barns/electron |
U=PEFerro-anthophyllite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ferro-anthophyllite is Not Radioactive | Ferro-anthophyllite Classification Dana Class: |
66.01.02.03 (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.02)Dana Group |
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Strunz Class: |
09.DE.05 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 Ferro-anthophyllite Information References: |
NAME( Dana8) PHYS. PROP.(Larousse des Mineraux,1981) |
See Also: |
Links to other databases for Ferro-anthophyllite : |
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 Ferro-anthophyllite using: Visit our Advertisers for Ferro-anthophyllite : A Bijoux Google Search for Ferro-anthophylliteAdam's Minerals Google Search for Ferro-anthophyllite Cape Minerals Google Search for Ferro-anthophyllite Dakota Matrix Minerals Google Search for Ferro-anthophyllite Excalibur Mineral Corp. Google Search for Ferro-anthophyllite Exceptional Minerals Google Search for Ferro-anthophyllite John Betts Fine Minerals Search for Ferro-anthophyllite McDougall Minerals Google Search for Ferro-anthophyllite Mineral News Website Link Rock and Mineral Shows Google Search for Ferro-anthophyllite Weinrich Minerals, Inc. Google Search for Ferro-anthophyllite Ask about Ferro-anthophyllite here : Print or Cut-and-Paste your Ferro-anthophyllite Specimen Label here :
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