Quartz carving with inclusions of izoklakeite

George R. Rossman, Chi Ma
California Institute of Technology
Pasadena, CA

Anthony R. Kampf
Natural History Museum of Los Angeles County

Gems & Gemology 47, 324-323


Inclusions in a life-sized quartz skull made by master carver Harold Van Pelt are dominantly the mineral izoklakeite. Other inclusions inclulded alteration products of izoklakeite including galena, bismuthinite, and native bismuth.

Izoklakeite inclusions in the quartz skull.

SEM image

Revised 11-Oct-2014