Tennantite/Chalcocite ps. after Azurite (Trimingham Coll.)

Item Description

An exceptional and rare Tsumeb pseudomorph of either tennantite or chalcocite after a fine and aesthetic cluster of sharp, intergrown azurite blades. The brown pseudos are complete all-around and pristine. Ex Bob Trimingham Collection. From the Francis and Jean Marshall Collection of San Francisco and acquired in 1972 from Pala Properties, according to his label. Very rare on the market in this quality.