Chalcocite
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Ships from USA
Crystal ClassicsFeatured
Tucson, Arizona, USAA rare specimen of Chalcocite crystals from the long-closed Bristol Copper mine in Connecticut, USA. This interesting mine worked intermittently from 1836 until about 1953 but it is thought that most of the best Chalcocite specimens came out during the 1840s when a number of prominent Yale-based scientists and collectors recovered specimens before they were dispatched as ore. This small cabinet specimen displays an intergrown cluster of metallic grey Chalcocite crystals measuring to 8 mm with some Calcite crystals. The Chalcocite forms sharp, chisel-shaped terminations, often exhibiting a matt sooty patina whereas the prism faces have a bright metallic lustre. A richly crystallized specimen of this East Coast classic.
Product details
Species
SizeSmall Cabinet
Dimensions4.8 x 6.4 x 3.2 cm
Listed on10/24/2024
SKUCC18168
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Mineral guide
Learn about Chalcocite
dark steel-gray crystals with bright metallic luster and dramatic twinning; rare, well-formed specimens attract collectors and highlight sites.
Regional guide
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