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Braithwaiteite Mineral Data
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General Braithwaiteite Information
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 Chemical Formula: |
NaCu5(Ti,Sb)2O2(AsO4)4[AsO3(OH)]2•8H2O |
| Composition: |
Molecular Weight = 1,574.79 gm |
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Sodium 1.27 % Na 1.71 % Na2O |
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Titanium 2.74 % Ti 4.57 % TiO2 |
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Copper 20.86 % Cu 26.11 % CuO |
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Antimony 11.60 % Sb 13.12 % SbO |
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Arsenic 28.16 % As 43.20 % As2O5 |
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Hydrogen 1.15 % H 10.30 % H2O |
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Oxygen 34.22 % O |
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______ ______ |
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100.00 % 99.01 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.87Cu5.17Ti0.9Sb1.5O24(AsO4)0.98(AsO3OH)2�8(H2O) |
| Environment: |
Secondary mineral formed by oxidation of primary enargite by Na- and Ti-rich fluids in an arid environment. |
| IMA Status: |
Approved IMA 2006 |
| Locality: |
Veta Negra, Laurani, Bolivia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Richard Braithwaite, University of Reading, United Kingdom. |
| Synonym: |
IMA2006-050 |
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