Chalcopyrite

Chalcopyrite with pyrite

A large mass of crystallized brassy chalcopyrite, with crystals to 3.5 cm in size, all set on a matrix of crystallized brassy small pyrite crystals. The sides and back of the group are almost completely coated by brown micro hubeite crystals. Inter-mixed with the hubeite are small colourless crystals of calcite, many of these slightly damaged as seen in the photos, to 18 mm in length.

This specimen shows crystals of bright brassy chalcopyrite to 25 x 20 mm in size on a matrix of small bright crystals of pyrite. About 1/2 of the specimen is coated by brown micro crystals of hubeite.

Origin: Fengjiashan Mine (Daye Copper mine), Daye Co., Huangshi area, Hubei, Central South Region, China

Sample size: 6.2 x 5.1 x 6.2 cm (top/2nd row), 9.3 x 9.2 x 8 cm (3rd/4th row), 7 x 5.5 x 7 cm (5th/bottom row)

Photo courtesy of:

Dan Weinrich

Dealer in fine mineral specimens