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 = 2.0” × 1.5” × 0.9”
Main crystal size: 0.9 × 0.4 cm = 0.4” × 0.2”

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