EM49W7: Chalcocite with Calcite - Bristol Copper Mine, Connecticut USA
Chalcocite with Calcite

Bristol Copper Mine, Bristol, Hartford County, Connecticut  USA

Specimen size: 5.2 × 3.9 × 2.4 cm = 2.05” × 1.54” × 0.94”
Main crystal size: 0.9 × 0.4 cm = 0.35” × 0.16”

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