Magnesiocopiapite

magnesiocopiapite

paracoquimbite

halotrichite

redingtonite

Images

Formula: MgFe3+4(SO4)6(OH)2.20H2O
Hydrated sulphate, copiapite group
Crystal system: Triclinic
Specific gravity: 2.16 calculated
Hardness: 2½ to 3
Colour: Lemon-yellow, orange, greenish yellow
Environments

Hydrothermal environments

Magnesiocopiapite is an uncommon secondary mineral, typically formed by oxidation of pyrite. Associated minerals include pyrite, römerite, paracoquimbite, halotrichite and redingtonite (HOM).

Localities

The type locality is Blythe, Riverside County, California, USA.

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