Ferricopiapite

ferricopiapite

copiapite

pyrite

Images

Formula: Fe3+0.67Fe3+4(SO4)6(OH)2.20H2O
Hydrated sulphate containing hydroxyl, copiapite group
Specific gravity: 2.14
Hardness: 2½ to 3
Streak: Light yellow
Colour: Yellow, yellow-orange
Solubility: Soluble in water
Environments

Hydrothermal environments

Ferricopiapite is a secondary mineral formed typically by the weathering and oxidation of iron sulphide in a wide range of rock types, preserved in arid climates. It is associated with pyrite (HOM).

Localities

The type locality is Atacama, Chile.

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