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Hydrodelhayelite Mineral Data
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General Hydrodelhayelite Information
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 Chemical Formula: |
KCa2AlSi7O17(OH)2•6(H2O) |
| Composition: |
Molecular Weight = 756.93 gm |
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Potassium 5.17 % K 6.22 % K2O |
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Calcium 10.59 % Ca 14.82 % CaO |
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Aluminum 3.56 % Al 6.74 % Al2O3 |
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Silicon 25.97 % Si 55.57 % SiO2 |
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Hydrogen 1.86 % H 16.66 % H2O |
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Oxygen 52.84 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K•6(H2O)Ca2AlSi7O17(OH)2 |
| Environment: |
A secondary alteration product of delhayelite from ijolite-urtite pegmatites in a differentiated alkalic massif. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
On Mts. Rasvumchorr and Yukspor, in the Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its relation to delhayelite, and the water in its composition. |
| Name Pronunciation: |
Hydrodelhayelite + Pronunciation  |
| Synonym: |
Monteregianite |
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