General Permanganogrunerite Information Chemical Formula: |
[ ]Mn4(Fe++)3(Si8O22)(OH)2 |
Composition: |
Molecular Weight = 997.98 gm |
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Manganese 22.02 % Mn 28.43 % MnO |
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Iron 16.79 % Fe 21.60 % FeO |
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Silicon 22.51 % Si 48.16 % SiO2 |
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Hydrogen 0.20 % H 1.81 % H2O |
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Oxygen 38.48 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Mn2+4Fe2+3Si8O22(OH)2 |
IMA Status: |
Proposed IMA 1997 (Dana # Added) |
Locality: |
Link to MinDat.org Location Data. |
Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). Dashkensanite (1936) was revalidated and renamed 2005. |
Name Pronunciation: |
Permanganogrunerite + Pronunciation |
| | Search for Permanganogrunerite Images
Images:
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| | Permanganogrunerite Crystallography Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Physical Properties of Permanganogrunerite Hardness: |
5-6 - Between Apatite and Orthoclase |
| Optical Properties of Permanganogrunerite Optical Data: |
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| Calculated Properties of Permanganogrunerite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEPermanganogrunerite = 11.52 barns/electron |
U=PEPermanganogrunerite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Permanganogrunerite is Not Radioactive | Permanganogrunerite Classification Dana Class: |
66.01.01.03b (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.01)Group 1, the Mg-Fe-Mn-Li amphiboles (Monoclinic) |
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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 Permanganogrunerite Information References: |
PHYS. PROP.(Min.Mag.,Vol.61,p303,1997) |
See Also: |
Links to other databases for Permanganogrunerite : |
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 Permanganogrunerite using: Visit our Advertisers for Permanganogrunerite : A Bijoux Google Search for PermanganogruneriteAdam's Minerals Google Search for Permanganogrunerite Cape Minerals Google Search for Permanganogrunerite Dakota Matrix Minerals Google Search for Permanganogrunerite Excalibur Mineral Corp. Google Search for Permanganogrunerite Exceptional Minerals Google Search for Permanganogrunerite John Betts Fine Minerals Search for Permanganogrunerite McDougall Minerals Google Search for Permanganogrunerite Mineral News Website Link Rock and Mineral Shows Google Search for Permanganogrunerite Weinrich Minerals, Inc. Google Search for Permanganogrunerite Ask about Permanganogrunerite here : Print or Cut-and-Paste your Permanganogrunerite Specimen Label here :
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