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Virgilite Mineral Data
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General Virgilite Information
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 Chemical Formula: |
LixAlxSi3-xO6 |
| Composition: |
Molecular Weight = 183.17 gm |
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Lithium 1.89 % Li 4.08 % Li2O |
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Aluminum 7.37 % Al 13.92 % Al2O3 |
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Silicon 38.33 % Si 82.01 % SiO2 |
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Oxygen 52.41 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Li0.5Al0.5Si2.5O6 |
| Environment: |
As inclusions in stream cobbles of peraluminous volcanic glass. |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
From near Macusani, Puno Department, Peru. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Virgil Everett Barnes (1903-), University of Texas, Austin, Texas, USA, prominent worker on tektites, impactites, and other natural glasses. |
| Name Pronunciation: |
Virgilite + Pronunciation  |
| Synonym: |
ICSD 69221 |
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PDF 31-707 |
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