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Flattened crystals, very sharp, partially doubly terminated and twinned, on matrix, with a strong metallic luster and bluish reflections, associated with small whitish Quartz crystals. Coming from the Bristol Copper Mine, in Connecticut, USA, these chalcocites are classics, and this particular piece is a real oldie, from the begin of the XX century
Bristol Copper Mine, Bristol, Hartford County, Connecticut USA (±1930)
Specimen size: 5.5 × 4.7 × 3.4 cm = 2.17” × 1.85” × 1.34”
Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”
Price:
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