Rosasite

specimen number:
2351001

location:
Silver Hill Mine, Pima Co., Arizona, USA

description:
Velvety bluish green crystallized rosasite throughout an open cavity in matrix with calcite. In good condition.

The Silver Hill Mine in Pima County, Arizona, is situated within a desert mountain terrain characterized by complex regional faulting, associated diorite intrusions, and oxidized lacing deposits containing silver, lead, copper, and gold. Originally established in the late 19th century with sporadic underground development persisting through the 1930s, the shallow shaft operations yielded high-grade ore via small-scale extraction. Today, the historic site occasionally attracts mineral prospectors and researchers interested in its diverse oxidized secondary mineral assemblages.

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