Copiapite
Fe2+Fe3+4(SO4)6(OH)2·20H2OIMA symbol: Cpigrandfathered
Copiapite is a sulfate mineral with the formula Fe2+Fe3+4(SO4)6(OH)2·20H2O, crystallizing in the triclinic system. It has a Mohs hardness of 2-5, typically yellow in color, with a pearly luster, a specific gravity of 2.103.
Photos




Physical properties
| Hardness (Mohs) | 2-5single sourceDana, System of Mineralogy, 6th ed. (1892) |
|---|---|
| Specific gravity | 2.103 g/cm3single sourceDana, System of Mineralogy, 6th ed. (1892) |
| Color | yellowsingle sourceDana, System of Mineralogy, 6th ed. (1892) |
| Luster | pearlysingle sourceDana, System of Mineralogy, 6th ed. (1892) |
Classification
| Nickel-Strunz (10th) | 7.DB.35Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 7.DB.35Wikidata (CC0) |
| Dana (8th) | 31.10.5.1Wikidata (CC0) |