Hetaerolite

specimen number:
2354188

location:
Bisbee, Cochise Co., Arizona, USA

description:
A solid grouping of black lustrous botryoidal hetaerolite. In good condition, very choice example for the species. The specimen comes with a previous label from the collection of Jack Nieburger.

Bisbee, Arizona, founded in 1880 following early claims in the Mule Mountains, grew into one of the richest copper mining districts in the world before large-scale operations officially closed in 1975. Geologically, the area is characterized by complex Paleozoic limestone formations cut by Cretaceous-era granitic intrusions, creating massive contact metamorphic replacement and skarn orebodies. Mineralogically, the district is world-famous for its spectacular oxidized zone minerals, producing breathtaking aesthetic specimens of native copper, azurite, malachite, cuprite, and various other rare secondary copper species that have made it a legendary locality for mineral collectors globally.

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