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Gillardite Mineral Data
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General Gillardite Information
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 Chemical Formula: |
Cu3NiCl2(OH)6 |
| Composition: |
Molecular Weight = 422.66 gm |
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Iron 0.05 % Fe 0.07 % FeO |
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Cobalt 0.17 % Co 0.21 % CoO |
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Copper 46.32 % Cu 52.15 % Cu2O |
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Nickel 12.54 % Ni 15.96 % NiO |
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Hydrogen 1.43 % H 12.79 % H2O |
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Chlorine 16.78 % Cl 16.78 % Cl |
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- %
Cl -3.79 % -O=Cl2 |
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Oxygen 22.71 % O |
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______ ______ |
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100.00 % 94.17 % = TOTAL OXIDE |
| Empirical Formula: |
Cu3.08Ni0.9Co0.01Fe2+0.004Cl2(OH)6 |
| Environment: |
Found in a silicified ferruginous gossan. Ni analog of herbertsmithite. Atacamite group. |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
132 North deposit, Widgiemooltha, Western Australia, Australia Link to MinDat.org Location Data. |
| Name Origin: |
Named for Professor D. Gillard, in recognition of his contributions to the field of inorganic chemistry. |
| Synonym: |
IMA2006-041 |
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