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Lamprophyllite Mineral Data
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General Lamprophyllite Information
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 Chemical Formula: |
Na2(Sr,Ba)2Ti3(SiO4)4(OH,F)2 |
| Composition: |
Molecular Weight = 891.53 gm |
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Barium 15.40 % Ba 17.20 % BaO |
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Sodium 5.16 % Na 6.95 % Na2O |
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Strontium 19.66 % Sr 23.25 % SrO |
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Titanium 16.11 % Ti 26.88 % TiO2 |
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Silicon 12.60 % Si 26.96 % SiO2 |
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Hydrogen 0.23 % H 2.02 % H2O |
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Oxygen 28.71 % O |
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Fluorine 2.13 % F 2.13 % F |
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- %
F -0.90 % -O=F2 |
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______ ______ |
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100.00 % 104.49 % = TOTAL OXIDE |
| Empirical Formula: |
Na2Sr2BaTi3Si4O14(OH)2F |
| Environment: |
In Russia, in the Lovozero and Khibiny massifs, Kola Peninsula; in the Konder, Inagli, and Yllymakh massifs, Yakutia. |
| IMA Status: |
Valid Species (Pre-IMA) 1894 |
| Locality: |
In all rock types and most pegmatites of a differentiated alkalic massif Lovozero massif, Russia). Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek, lampros - "luster" and fyllon - "leaf" in allusion to the lusterous cleavage. |
| Name Pronunciation: |
Lamprophyllite + Pronunciation  |
| Synonym: |
ICSD 39662 |
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PDF 17-751 |
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