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Segelerite Mineral Data
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General Segelerite Information
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 Chemical Formula: |
CaMgFe+++(PO4)2(OH)•4(H2O) |
| Composition: |
Molecular Weight = 399.24 gm |
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Calcium 10.04 % Ca 14.05 % CaO |
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Magnesium 6.09 % Mg 10.10 % MgO |
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Iron 13.99 % Fe 20.00 % Fe2O3 |
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Phosphorus 15.52 % P 35.55 % P2O5 |
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Hydrogen 2.27 % H 20.31 % H2O |
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Oxygen 52.10 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaMgFe3+(PO4)2(OH)•4(H2O) |
| Environment: |
Grainitc pegmatites. Fe analog of overite. |
| IMA Status: |
Approved IMA 1974 |
| Locality: |
Tip Top pegmatite, near Custer, Custer County, South Dakota, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Curt G. Segeler (1901-1989), amateur mineralogist, New York City. |
| Name Pronunciation: |
Segelerite + Pronunciation  |
| Synonym: |
ICSD 10407 |
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PDF 27-1061 |
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