Chalcocite

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Chalcocite crystal group, 4.5 cm, from Bristol Copper mine, Hartford County, Connecticut. Photo by Jeff Scovil.

Product details

SizeMiniature
Dimensions4.5 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In California page 77

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Chalcocite
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.
Chalcocite
Regional guide
Chalcocite from Bristol Copper Mine, Connecticut, USA
from Bristol Copper Mine, Connecticut — dark, tabular crystals on calcite; historic locality valued by collectors for its classic ore-crystal form.