Feinglosite, on chalcocite, with anglesite and quartz

Feinglosite


Composition: Pb2Zn(AsO4)(SO4)(OH)
Crystal System : Monoclinic
Lustre : Adamantine
Hardness : 4-5
Specific Gravity : 6.52
Year of Discovery: 1984
IMA Number: 1995-013
IMA Status: Approved
Discovered By: Mark Feinglos (American collector)
Named for: Discoverer
References: Clark et al. (1997)