Kegelite, (with Mimetite)

Kegelite


Composition: Pb8Al4Si8(SO4)2(CO3)4(OH)8O20
T154
Very rare. The type specimen is from the second oxidation zone.
Crystal System : Monoclinic; (ps. Hexagonal)
Lustre : Pearly
Specific Gravity : 4.5
Year of Discovery: 1974
IMA Number: 1974-042
IMA Status: Redefined
Discovered By: Fritz Kaufmann (Tsumeb mineral collector)
Named for: Freidrich Wilhelm Kegel (Tsumeb general manager and OMEG director)