Lishizhenite

lishizhenite

anhydrite

romerite

copiapite

Images

Formula: ZnFe2(SO4)4.14H2O
Hydrated sulphate, zinc-bearing mineral
Crystal system: Triclinic
Specific gravity: 2.206 measured, 2.201 calculated
Hardness: 3½
Streak: White
Colour: Pale violet to yellowish brown
Solubility: Soluble in water, becomes dull and dark red or yellowish brown on exposure to air
Environments

Hydrothermal environments?

Localities

At the type locality, the Xitieshan Mine, Xitieshan, Da Qaidam, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China, occurs as crystal aggregates and clusters and as veinlet-type aggregates and masses in cavities in anhydrite. Crystals are up to 8 mm long, typically 2 to 3 mm, occurring in the oxidation zone of the lead-zinc deposit. Associated minerals include anhydrite, römerite, copiapite, sulphur, gypsum, pyrite and quartz (AM 76.2020-2026).

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