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Fluoro-sodic-pedrizite Mineral Data
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General Fluoro-sodic-pedrizite Information
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 Chemical Formula: |
NaLi2(Mg2Al2Li)S5Si8O22F2 |
| Composition: |
Molecular Weight = 777.04 gm |
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Potassium 0.05 % K 0.06 % K2O |
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Sodium 1.98 % Na 2.67 % Na2O |
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Lithium 2.30 % Li 4.94 % Li2O |
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Calcium 0.21 % Ca 0.29 % CaO |
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Magnesium 5.69 % Mg 9.44 % MgO |
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Manganese 0.14 % Mn 0.18 % MnO |
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Aluminum 7.01 % Al 13.25 % Al2O3 |
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Zinc 0.08 % Zn 0.10 % ZnO |
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Chromium 0.07 % Cr 0.10 % Cr2O3 |
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Iron 3.74 % Fe 4.81 % FeO |
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Silicon 28.77 % Si 61.55 % SiO2 |
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Hydrogen 0.12 % H 1.04 % H2O |
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Oxygen 47.15 % O |
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Fluorine 2.69 % F 2.69 % F |
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- %
F -1.13 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.64K0.01Li1.93Ca0.04Na0.03Mg1.69Fe2+0.31Al1.98Cr0.01Zn0.01Li0.64Fe2+0.21Mg0.13
Mn2+0.02Si3.96Al0.04Si4O22F1.1(OH)0.9 |
| Environment: |
Occurs at the inner contact with lithium pegmatite around oligoclase andesite. Amphibole group. |
| IMA Status: |
Approved IMA 2004 (Dana # Added) |
| Locality: |
Tastyg spodumene deposit, Tuva, Siberia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). Clinoholmquistite discredited. |
| Synonym: |
Clinoholmquistite |
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IMA2004-002 |
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