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Chalcophyllite Mineral Data
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General Chalcophyllite Information
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 Chemical Formula: |
Cu++18Al2(AsO4)3(SO4)3(OH)27•33(H2O) |
| Composition: |
Molecular Weight = 3,010.49 gm |
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Aluminum 1.79 % Al 3.39 % Al2O3 |
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Copper 37.99 % Cu 42.78 % Cu2O |
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Arsenic 7.47 % As 11.45 % As2O5 |
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Hydrogen 3.31 % H 29.62 % H2O |
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Sulfur 3.20 % S 7.98 % SO3 |
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Oxygen 46.24 % O |
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______ ______ |
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100.00 % 95.22 % = TOTAL OXIDE |
| Empirical Formula: |
Cu18Al2(AsO4)3(SO4)3(OH)27•36(H2O) |
| IMA Status: |
Valid Species (Pre-IMA) 1847 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek, "copper" and fyllon, "leaf." |
| Name Pronunciation: |
Chalcophyllite  |
| Synonym: |
ICSD 100289 |
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PDF 39-1356 |
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