General Potassicsadanagaite Information Chemical Formula: |
(K,Na)Ca2[Fe++3(Al,Fe+++)2][Si5Al3O22](OH)2 |
Composition: |
Molecular Weight = 966.86 gm |
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Potassium 3.03 % K 3.65 % K2O |
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Sodium 0.59 % Na 0.80 % Na2O |
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Calcium 8.29 % Ca 11.60 % CaO |
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Aluminum 9.07 % Al 17.14 % Al2O3 |
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Iron 21.66 % Fe 22.29 % FeO / 6.19 % Fe2O3 |
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Silicon 17.43 % Si 37.29 % SiO2 |
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Hydrogen 0.21 % H 1.86 % H2O |
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Oxygen 39.71 % O |
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______ ______ |
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100.00 % 100.83 % = TOTAL OXIDE |
Empirical Formula: |
K0.75Na0.25Ca2Fe2+3Al1.25Fe3+0.75(Si6Al2O22)(OH)2 |
IMA Status: |
Approved IMA 1997 (Dana # Added) |
Locality: |
Link to MinDat.org Location Data. |
Name Origin: |
Named for the composition and for Ryoichi Sadanaga (1920-), professor emeritus, University of Tokyo. |
Synonym: |
Sadanagaite-K |
| | Potassicsadanagaite Image
Images:
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Potassicsadanagaite Crystallography Crystal System: |
MonoclinicSpace Group: C 2,Cm,C 2/m |
| Optical Properties of Potassicsadanagaite Optical Data: |
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| Calculated Properties of Potassicsadanagaite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEPotassicsadanagaite = 8.70 barns/electron |
U=PEPotassicsadanagaite x relectron= . barns/cc. Radioactivity: |
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GRapi = 42.98 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Potassicsadanagaite - barely detectable | Potassicsadanagaite Classification Dana Class: |
66.01.03a.17a (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 Potassicsadanagaite Information References: |
NAME( Dana8) |
See Also: |
Links to other databases for Potassicsadanagaite : |
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 Potassicsadanagaite using: Visit our Advertisers for Potassicsadanagaite : A Bijoux Google Search for PotassicsadanagaiteAdam's Minerals Google Search for Potassicsadanagaite Cape Minerals Google Search for Potassicsadanagaite Dakota Matrix Minerals Google Search for Potassicsadanagaite Excalibur Mineral Corp. Google Search for Potassicsadanagaite Exceptional Minerals Google Search for Potassicsadanagaite John Betts Fine Minerals Search for Potassicsadanagaite McDougall Minerals Google Search for Potassicsadanagaite Mineral News Website Link Rock and Mineral Shows Google Search for Potassicsadanagaite Weinrich Minerals, Inc. Google Search for Potassicsadanagaite Ask about Potassicsadanagaite here : Print or Cut-and-Paste your Potassicsadanagaite Specimen Label here :
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