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Meionite Mineral Data
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General Meionite Information
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 Chemical Formula: |
Ca4Al6Si6O24CO3 |
| Composition: |
Molecular Weight = 934.71 gm |
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Calcium 17.15 % Ca 24.00 % CaO |
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Aluminum 17.32 % Al 32.73 % Al2O3 |
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Silicon 18.03 % Si 38.57 % SiO2 |
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Carbon 1.28 % C 4.71 % CO2 |
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Oxygen 46.22 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4Al6Si6O24(CO3) |
| Environment: |
Small cavities in limestone ejecta blocks. Forms a series with marialite. |
| IMA Status: |
Valid Species (Pre-IMA) 1801 |
| Locality: |
Mte. Somma, Vesuvius, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek for "less", referring to its less acute pyramidal form compared with vesuvianite. |
| Name Pronunciation: |
Meionite  |
| Synonym: |
ICSD 2628 |
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PDF 44-1399 |
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Wernerite |
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