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Portlandite Mineral Data
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General Portlandite Information
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 Chemical Formula: |
Ca(OH)2 |
| Composition: |
Molecular Weight = 74.09 gm |
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Calcium 54.09 % Ca 75.69 % CaO |
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Hydrogen 2.72 % H 24.31 % H2O |
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Oxygen 43.19 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca(OH)2 |
| Environment: |
Larnite-spurrite contact rocks and volcanic fumaroles. |
| IMA Status: |
Valid Species (Pre-IMA) 1933 |
| Locality: |
Scawt Hill, Antrim County, Northern Ireland. Link to MinDat.org Location Data. |
| Name Origin: |
Named because the material is a common product of hydration of portland cement. |
| Name Pronunciation: |
Portlandite + Pronunciation  |
| Synonym: |
ICSD 15471 |
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PDF 44-1481 |
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