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Hydrocalumite Mineral Data
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General Hydrocalumite Information
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 Chemical Formula: |
Ca2Al(OH)6[Cl1-x(OH)x]•3(H2O) |
| Composition: |
Molecular Weight = 289.46 gm |
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Calcium 27.69 % Ca 38.75 % CaO |
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Aluminum 9.32 % Al 17.61 % Al2O3 |
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Hydrogen 4.35 % H 38.90 % H2O |
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Chlorine 6.12 % Cl 6.12 % Cl |
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- %
Cl -1.38 % -O=Cl2 |
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Oxygen 52.51 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Al(OH)6.5Cl0.5•3(H2O) |
| Environment: |
Late-stage hydrothermal mineral in skarns formed from contact metamorphism of limestone |
| IMA Status: |
Valid Species (Pre-IMA) 1934 |
| Locality: |
Scawt Hill, near Larne, Co. Antrim, Ireland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for a HYDROus mineral containing CAlcium and ALUMinum. |
| Name Pronunciation: |
Hydrocalumite + Pronunciation  |
| Synonym: |
ICSD 63250 |
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PDF 31-245 |
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