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Bederite Mineral Data
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General Bederite Information
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 Chemical Formula: |
([ ],Na)Ca2(Mn++,Mg,Fe++)2(Fe+++,Mg++,Al)2Mn++2(PO4)6•2(H2O) |
| Composition: |
Molecular Weight = 986.80 gm |
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Sodium 0.58 % Na 0.79 % Na2O |
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Calcium 8.12 % Ca 11.37 % CaO |
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Magnesium 2.46 % Mg 4.08 % MgO |
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Manganese 16.70 % Mn 21.57 % MnO |
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Aluminum 0.55 % Al 1.03 % Al2O3 |
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Iron 10.19 % Fe 2.18 % FeO / 12.14 % Fe2O3 |
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Phosphorus 18.83 % P 43.15 % P2O5 |
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Hydrogen 0.41 % H 3.65 % H2O |
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Oxygen 42.15 % O |
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______ ______ |
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100.00 % 99.96 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.25Ca2Mn2+Mg0.7Fe2+0.3Fe3+1.5Mg0.3Al0.2Mn2+2(PO4)6�2(H2O) |
| Environment: |
In a rare-element pegmatite of the beryl type, columbite-phosphate subtype. Isostructural with wicksite and grischunite |
| IMA Status: |
Approved IMA 1998 (Dana # Added) |
| Locality: |
The El Penon pegmatite in the El Quemado pegmatite field, Nevados de Palermo, Salta Province, Argentina. Link to MinDat.org Location Data. |
| Name Origin: |
For Roberto Beder (1888-1930) in recognition of his major contributions to the development of mineralogy in Argentina. |
| Synonym: |
IMA1998-007 |
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