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Composition: Ca3Cu2Al2(AsO4)4(OH)4.2H2O
Crystal System : Orthorhombic
Colours: Off-white, pale-green
Lustre : Vitreous, pearly
Hardness (H) : 2.5-3.0
Specific Gravity (S.G) : 3.2


Questionable status at Tsumeb. (Provisionally identified, but not confirmed by subsequent analysis).


  • Supergene

Paragenetic and General Notes

Provisionally identified (for Crystal Classics) at the ROM. However, XRD and EDS analysis failed to confirm it.