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Chalcocite with Prehnite - image 1
Chalcocite with Prehnite - image 2
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Updated 18h ago

Chalcocite with Prehnite

$235.00
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Weinrich MineralsFeatured
127 for sale·294 sold
Metallic crystals of chalcocite to 0.1 cm in size scattered richly across the top of a botryoidal green prehnite crystal matrix. In good condition. A neat thumbnail specimen for this mining district.

Product details

Species
Prehnite, ChalcociteAbout Prehnite →
SizeMiniature
Dimensions3.0 x 2.3 x 2.0 cm
Listed on05/27/2026
Locality
Clark Mine, Keweenaw Co., Michigan, USA
SKU2062096

Learn more

Prehnite
Mineral guideLearn about Prehniteapple- to mint-green crystals and sculptural botryoidal/rosette forms; a calcium aluminum silicate formed in low-temp hydrothermal environments.