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Guanacoite Mineral Data
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General Guanacoite Information
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 Chemical Formula: |
(Cu,Mg)2Mg2(Mg,Cu)(OH)4(H2O)4(AsO4)2 |
| Composition: |
Molecular Weight = 612.83 gm |
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Magnesium 12.41 % Mg 20.59 % MgO |
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Copper 19.39 % Cu 24.27 % CuO |
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Arsenic 24.45 % As 37.50 % As2O5 |
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Hydrogen 1.97 % H 17.64 % H2O |
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Oxygen 41.77 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
2(Cu0.85)2(Mg0.15)Mg2Mg0.83Cu0.17(OH)4(AsO4)2(H2O)4 |
| Environment: |
Isotypic with akrochordite |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Mine dump at the El Guanaco Mine, East Catalina, Chile, South America Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Synonym: |
IMA2003-021 |
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