Zincroselite

Zincroselite


Composition: Ca2Zn(AsO4)2.2H2O
Crystal System : Monoclinic
Colours: Colourless
Lustre : Vitreous
Hardness (H) : 3
Specific Gravity (S.G) : 3.75
IMA Number: 1985-055
IMA Status: Approved
Discovered By: John Innes (Tsumeb mineralogist)
Named for: Composition/relationship (to roselite)
References: Keller et al. (1986)

Tsumeb is the Type Locality

Distribution

Extremely rare. Second oxidation zone.

Occurrence

  • Supergene
  • 2nd Oxidation Zone

Notable Finds

The type specimen is from the West 40 Stope, on 32 Level, in the second oxidation zone.

Paragenetic and General Notes

On the type-specimen, crystals of zincroselite are lathlike, elongated, and striated parallel to [001], colourless to white, with a vitreous lustre, and associated with tsumcorite, stranskiite, leiteite, quartz, and tennantite.