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Holtedahlite Mineral Data
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General Holtedahlite Information
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 Chemical Formula: |
Mg12(PO3OH,CO3)(PO4)5(OH,O)6 |
| Composition: |
Molecular Weight = 953.53 gm |
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Magnesium 30.59 % Mg 50.72 % MgO |
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Phosphorus 18.68 % P 42.80 % P2O5 |
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Hydrogen 0.50 % H 4.49 % H2O |
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Carbon 0.31 % C 1.15 % CO2 |
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Oxygen 49.92 % O |
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______ ______ |
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100.00 % 99.16 % = TOTAL OXIDE |
| Empirical Formula: |
Mg12(PO3OH)0.75(CO3)0.25(PO4)5(OH)4O2 |
| Environment: |
Serpentine-magnesite deposit. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Tingelstadtjern quarry, Modum, Norway. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Olaf Holtedahl (1885-1975), Professor of Geology, University of Oslo, Oslo, Norway. |
| Name Pronunciation: |
Holtedahlite + Pronunciation  |
| Synonym: |
ICSD 67048 |
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PDF 33-879 |
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