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Epistilbite Mineral Data
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General Epistilbite Information
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 Chemical Formula: |
CaAl2Si6O16•5(H2O) |
| Composition: |
Molecular Weight = 608.62 gm |
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Calcium 6.59 % Ca 9.21 % CaO |
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Aluminum 8.87 % Al 16.75 % Al2O3 |
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Silicon 27.69 % Si 59.23 % SiO2 |
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Hydrogen 1.66 % H 14.80 % H2O |
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Oxygen 55.20 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaAl2Si6O16•5(H2O) |
| Environment: |
Alteration product in basalts. |
| IMA Status: |
Valid Species (Pre-IMA) 1826 |
| Locality: |
Berufjord, Iceland. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek epi - "near" and the mineral Stilbite. |
| Name Pronunciation: |
Epistilbite + Pronunciation  |
| Synonym: |
ICSD 82770 |
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PDF 39-1381 |
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