• CHALCOCITE
  • CHALCOCITE
  • CHALCOCITE
  • CHALCOCITE
  • CHALCOCITE
  • CHALCOCITE
  • CHALCOCITE
  • CHALCOCITE
Gallery

CHALCOCITE

$5,000.00   €4,487  £4,000.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC8081
A long and narrow light tan dolomitic matrix is richly covered in superb metallic black Chalcocite crystals to around 9 mm long, which project out from the matrix at slight angles to the vertical.  From the copper mining area around Bristol in Hartford County, Connecticut, USA, which began production in 1837.  The mines are famous for their top quality chalcocite and bornite specimens which were recovered principally throughout the 1840s.  The Chalcocite crystals have sharp terminations, deep striations along the prism faces (parallel to the c-axis) and many take on a slightly sooty-black patina, a trait sometimes observed in Chalcocite.  A couple of the crystals are damaged,  but this remains a rare and excellent example of Chalcocite from this long exhausted locality.  The specimen comes with two old labels,  in copperplate handwriting, in German.

Details

Dimensions
7.4 × 4.9 × 2.8 cm
Categories
Sulphides, Sulphosalts and Arsenides
Locality
Bristol, Hartford Co, Connecticut, USA, North America

Minerals on Specimen

Minerals on specimen
Chalcocite

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