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Holmquistite Mineral Data
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General Holmquistite Information
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 Chemical Formula: |
[ ](Li2Mg3Al2)Si8O22(OH)2 |
| Composition: |
Molecular Weight = 751.45 gm |
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Lithium 1.85 % Li 3.98 % Li2O |
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Magnesium 9.70 % Mg 16.09 % MgO |
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Aluminum 7.18 % Al 13.57 % Al2O3 |
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Silicon 29.90 % Si 63.97 % SiO2 |
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Hydrogen 0.27 % H 2.40 % H2O |
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Oxygen 51.10 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Li2Mg3Al2(Si8O22)(OH)2 |
| Environment: |
Wall rock and contact zones of lithian pegmatites with basic or ultrabasic country rock. |
| IMA Status: |
Valid Species (Pre-IMA) 1913 |
| Locality: |
Uto Island, Sondermanland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Per Johan Holmquist (1866-1946), petrologist, Stockhom, Sweden. |
| Name Pronunciation: |
Holmquistite + Pronunciation  |
| Synonym: |
ICSD 65421 |
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PDF 13-401 |
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