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Mayenite Mineral Data
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General Mayenite Information
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 Chemical Formula: |
Ca12Al14O33 |
| Composition: |
Molecular Weight = 1,386.66 gm |
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Calcium 34.68 % Ca 48.53 % CaO |
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Aluminum 27.24 % Al 51.47 % Al2O3 |
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Oxygen 38.08 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca12Al14O33 |
| Environment: |
Thermally metaborphosed inclusions of marly limestone in effusive volcanic rocks. Common component of portland cement clinker. |
| IMA Status: |
Approved IMA 1964 |
| Locality: |
Ettringer, Bellerberg, Mayen, Eifel, Rhineland-Pfalz, Germany Link to MinDat.org Location Data. |
| Name Origin: |
Named after the locality |
| Name Pronunciation: |
Mayenite  |
| Synonym: |
Achtarandite - pseudomorph, probably after mayenite. |
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ICSD 6287 |
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PDF 9-413 |
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