Cuproromeite

specimen number:
1052165

location:
Cornucopia Mine, Mono County, California, USA

description:
his specimen features massive cuproromeite attractively perched on matrix, displaying the deep green, copper rich coloration characteristic of this rare secondary mineral. A chromium and copper bearing silicate, cuproromeite is highly prized by collectors for its vivid color and scarcity. The specimen originates from the historic Cornucopia Mine, a classic locality known for its late 19th and early 20th century production of chromium, copper, and manganese minerals. Accompanied by an antique label dating to the early 20th century, visible at the end of the video, this piece carries strong historical provenance and collector interest. Formerly, this material was referred to as partzite.

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