Prosperite


Composition: CaZn2H(AsO4)2OH
Crystal System : Monoclinic
Lustre : Vitreous, silky
Hardness : 4.5
Specific Gravity : 4.31
Year of Discovery: 1976
IMA Number: 1978-028
IMA Status: Approved
Discovered By: Prosper J. Williams (Canadian dealer)
Named for: Discoverer
References: Gait et al. (1979)