Calcite and Duftite on Dioptase, Tsumeb Mine, Namibia, Mined c. 1970's, Holzner Collection #C-703, Miniature 2.5 x 5.5 x 6.5 cm, $75. Online 10/4.
Rich druse of emerald green dioptase on dolomite matrix. Dioptase is in turn covered with a rich druse of duftite and calcite. Mined circa 1970s. Tiny nick on one dioptase. Holzner Collection #C-703.