General Ferri-clinoholmquistite Information
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Chemical Formula: |
[ ]Li2Mg3(Fe3+)2(Si8O22)(OH)2 |
Composition: |
Molecular Weight = 849.26 gm |
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Potassium 0.14 % K 0.17 % K2O |
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Sodium 1.98 % Na 2.66 % Na2O |
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Lithium 1.76 % Li 3.78 % Li2O |
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Calcium 0.19 % Ca 0.26 % CaO |
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Magnesium 3.46 % Mg 5.74 % MgO |
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Titanium 0.68 % Ti 1.13 % TiO2 |
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Aluminum 0.64 % Al 1.20 % Al2O3 |
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Zinc 0.15 % Zn 0.19 % ZnO |
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Iron 19.00 % Fe 11.42 % FeO / 14.48 % Fe2O3 |
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Silicon 26.46 % Si 56.60 % SiO2 |
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Hydrogen 0.19 % H 1.68 % H2O |
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Oxygen 44.42 % O |
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Fluorine 0.94 % F 0.94 % F |
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- %
F -0.40 % -O=F2 |
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______ ______ |
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100.00 % 99.86 % = TOTAL OXIDE |
Empirical Formula: |
Na0.43K0.03Li1.66Na0.3Ca0.04Fe3+1.54Fe2+1.35Mg1.21Li0.49Al0.2Ti0.12Zn0.02Si8O22
(OH)1.58F0.42 |
Environment: |
Hydrothermal episyenitic bodies located in the east of the Pedriza Massif. |
IMA Status: |
Approved IMA 1998 (Dana # Added) |
Locality: |
East Pedriza Massif (Central System, Spain), Link to MinDat.org Location Data. |
Name Origin: |
The name reflects its composition, monoclinic crystal structure, and relationship to holmquistite in accord with the nomenclature of Leake (1978a, 1978b) |
Synonym: |
IMA1995-045 |
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IMA1995-045b |
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Sodic-ferriclinoferroholmquistite |
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