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Raadeite Mineral Data
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General Raadeite Information
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Chemical Formula: |
Mg7(PO4)2(OH)8 |
Composition: |
Molecular Weight = 493.69 gm |
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Magnesium 33.38 % Mg 55.35 % MgO |
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Manganese 0.22 % Mn 0.29 % MnO |
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Iron 0.23 % Fe 0.29 % FeO |
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Arsenic 0.30 % As 0.47 % As2O5 |
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Phosphorus 12.30 % P 28.18 % P2O5 |
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Hydrogen 1.72 % H 15.36 % H2O |
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Oxygen 51.85 % O |
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______ ______ |
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100.00 % 99.94 % = TOTAL OXIDE |
Empirical Formula: |
Mg6.78Fe2+0.02Mn2+0.02P1.96As0.02H8.42O16 |
Environment: |
Low pressure and temperature metamorphic mineral in apatite-rich nodules in sepentine. The magnesium and phosphate dominant analog of allactite. |
IMA Status: |
Approved IMA 2001 (Dana # Added) |
Locality: |
Serpentinite body near Tingelstadtjern in the Modum district of southern Norway. Link to MinDat.org Location Data. |
Name Origin: |
Named for Gunnar Raade (1944-), minerals curator at the Natural History Museum, Oslo, Norway. |
Synonym: |
IMA1996-034 |
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