General Ferric-ferronyboite Information Chemical Formula: |
NaNa2(Fe++)3(Fe+++)2(Si7Al)O22(OH)2 |
Composition: |
Molecular Weight = 957.79 gm |
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Sodium 7.20 % Na 9.71 % Na2O |
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Aluminum 2.82 % Al 5.32 % Al2O3 |
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Iron 29.15 % Fe 22.50 % FeO / 16.67 % Fe2O3 |
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Silicon 20.53 % Si 43.91 % SiO2 |
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Hydrogen 0.21 % H 1.88 % H2O |
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Oxygen 40.09 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na3Fe2+3Fe3+2(Si7AlO22)(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. |
| | Ferric-ferronyboite Image
Images:
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Ferric-ferronyboite Crystallography Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
| Optical Properties of Ferric-ferronyboite Optical Data: |
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| Calculated Properties of Ferric-ferronyboite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEFerric-ferronyboite = 9.67 barns/electron |
U=PEFerric-ferronyboite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ferric-ferronyboite is Not Radioactive | Ferric-ferronyboite Classification Dana Class: |
66.01.03c.11b (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.03c)Group 4, the sodic amphiboles |
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Strunz Class: |
09.DE.25 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 Ferric-ferronyboite Information References: |
PHYS. PROP.(Min.Mag.,Vol.61,p306,1997) |
See Also: |
Links to other databases for Ferric-ferronyboite : |
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 Ferric-ferronyboite using: Visit our Advertisers for Ferric-ferronyboite : A Bijoux Google Search for Ferric-ferronyboiteAdam's Minerals Google Search for Ferric-ferronyboite Cape Minerals Google Search for Ferric-ferronyboite Dakota Matrix Minerals Google Search for Ferric-ferronyboite Excalibur Mineral Corp. Google Search for Ferric-ferronyboite Exceptional Minerals Google Search for Ferric-ferronyboite John Betts Fine Minerals Search for Ferric-ferronyboite McDougall Minerals Google Search for Ferric-ferronyboite Mineral News Website Link Rock and Mineral Shows Google Search for Ferric-ferronyboite Weinrich Minerals, Inc. Google Search for Ferric-ferronyboite Ask about Ferric-ferronyboite here : Print or Cut-and-Paste your Ferric-ferronyboite Specimen Label here :
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