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Perlialite Mineral Data
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General Perlialite Information
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 Chemical Formula: |
K8Tl4Al12Si24O72•20(H2O) |
| Composition: |
Molecular Weight = 3,027.26 gm |
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Potassium 10.33 % K 12.45 % K2O |
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Aluminum 10.70 % Al 20.21 % Al2O3 |
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Thallium 6.75 % Tl 7.54 % Tl2O3 |
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Silicon 22.27 % Si 47.63 % SiO2 |
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Hydrogen 1.33 % H 11.90 % H2O |
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Oxygen 48.62 % O |
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______ ______ |
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100.00 % 99.74 % = TOTAL OXIDE |
| Empirical Formula: |
K8TlAl12Si24O72•20(H2O) |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Pegmatites of Mt.Eveslogchorr and Mt. Yukspor, Khibina alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named after Lily Alekseevna Perekrest, teacher of mineralogy at the Kirovsk Mining Technical School |
| Name Pronunciation: |
Perlialite + Pronunciation  |
| Synonym: |
ICSD 69404 |
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PDF 38-395 |
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