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Gengenbachite Mineral Data
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General Gengenbachite Information
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 Chemical Formula: |
KFe3(H2PO4)2(HPO4)4•6H2O or KFe3H8(PO4)6•6H2O |
| Composition: |
Molecular Weight = 892.62 gm |
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Potassium 4.38 % K 5.28 % K2O |
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Iron 18.77 % Fe 24.15 % FeO |
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Phosphorus 20.82 % P 47.71 % P2O5 |
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Hydrogen 2.26 % H 20.18 % H2O |
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Oxygen 53.77 % O |
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______ ______ |
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100.00 % 97.31 % = TOTAL OXIDE |
| Empirical Formula: |
KFe2+3H8(PO4)6•6(H2O) |
| IMA Status: |
Proposed IMA 2006 |
| Locality: |
Grube Silberbr�nnle, Haigerach Valley near Gengenbach, Central Black Forest, Germany Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Synonym: |
IMA2001-003b |
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