Chalcocite

specimen number:
3651440

location:
Bristol mine, Hartford Co., Connecticut, USA

description:
Wonderful old time specimen with lustrous sharp crystals of metallic chalcocite to 0.7 cm in size across the front of this matrix. This is in very good condition with only the slightest and most minimal micro-chipping present. Several previous labels come with this piece, including one from the U.S. National Museum, ex Carl Bosch collection.

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