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Boromuscovite Mineral Data
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General Boromuscovite Information
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 Chemical Formula: |
KAl2(Si3B)O10(OH,F)2 |
| Composition: |
Molecular Weight = 383.13 gm |
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Potassium 10.20 % K 12.29 % K2O |
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Aluminum 14.08 % Al 26.61 % Al2O3 |
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Silicon 21.99 % Si 47.05 % SiO2 |
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Boron 2.82 % B 9.09 % B2O3 |
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Hydrogen 0.39 % H 3.53 % H2O |
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Oxygen 48.02 % O |
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Fluorine 2.48 % F 2.48 % F |
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- %
F -1.04 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
KAl2Si3BO10(OH)1.5F0.5 |
| Environment: |
Occurs as a coating on other minerals on the floor of a pegmatite pocket, hydrothermally deposited after rupture of the pocket. |
| IMA Status: |
Approved IMA 1991 |
| Locality: |
From the Little Three mine, Ramona district, San Diego County, California, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Presumably for the BOROn content and relation to "muscovite." |
| Name Pronunciation: |
Boromuscovite + Pronunciation  |
| Synonym: |
IMA1989-027 |
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