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Medenbachite Mineral Data
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General Medenbachite Information
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 Chemical Formula: |
Bi2Fe+++(Cu,Fe+++)(O,OH)2(OH)2(AsO4)2 |
| Composition: |
Molecular Weight = 879.78 gm |
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Iron 7.93 % Fe 11.34 % Fe2O3 |
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Copper 5.42 % Cu 6.78 % CuO |
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Bismuth 47.51 % Bi 52.96 % Bi2O3 |
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Arsenic 17.03 % As 26.12 % As2O5 |
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Hydrogen 0.29 % H 2.56 % H2O |
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Oxygen 21.82 % O |
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______ ______ |
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100.00 % 99.77 % = TOTAL OXIDE |
| Empirical Formula: |
Bi2Fe3+Cu0.75Fe3+0.25O1.5(OH)2.5(AsO4)2 |
| Environment: |
In a silicified barite vein. |
| IMA Status: |
Approved IMA 1993 (Dana # Added) |
| Locality: |
In a quarry near the Borstein cliff, about 1 km east of the town of Reichenbach, Odenwald, Hesse, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Dr. Olaf Medenbach (1949-) of the University of Bochum, Germany. |
| Name Pronunciation: |
Medenbachite + Pronunciation  |
| Synonym: |
ICSD 81357 |
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IMA1993-048 |
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PDF 49-1823 |
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