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Footemineite Mineral Data
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General Footemineite Information
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 Chemical Formula: |
Ca2Mn++Mn++2Mn++2Be4(PO4)6(OH)4•6H2O |
| Composition: |
Molecular Weight = 1,122.79 gm |
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Barium 0.24 % Ba 0.27 % BaO |
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Strontium 0.23 % Sr 0.28 % SrO |
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Lithium 0.11 % Li 0.23 % Li2O |
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Calcium 6.75 % Ca 9.44 % CaO |
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Magnesium 0.11 % Mg 0.18 % MgO |
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Manganese 20.31 % Mn 26.22 % MnO |
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Beryllium 3.45 % Be 9.58 % BeO |
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Aluminum 0.07 % Al 0.14 % Al2O3 |
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Iron 2.59 % Fe 2.75 % FeO / 0.64 % Fe2O3 |
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Silicon 0.20 % Si 0.43 % SiO2 |
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Phosphorus 16.03 % P 36.73 % P2O5 |
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Hydrogen 1.47 % H 13.12 % H2O |
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Oxygen 48.45 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca1.89Sr0.03Ba0.02Mn2+0.9Li0.17Mg0.05Mn2+3.25Fe2+0.43Fe3+0.09Al0.03Be4.3P5.81
Si0.08O24(OH)3.64(H2O)0.36�6(H2O) |
| Environment: |
Late fracture-filling mineral in a quartz-microcline-spodumene pegmatite. Dimorphous with roscherite. Isostructural with atencioite. |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Foote Mine, Kings Mountain District, Cleveland Co.unty, North Carolina, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Synonym: |
IMA2006-029 |
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Roscherite (C-1) |
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Roscherite-1A |
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Triclinic-roscherite |
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