
Image Credit: Mariusz Oleszczuk
Title
chalcocite (w. pyrite)
Principal Mineral
Size
Thumbnail; 24mm
Collection
Oleszczuk, M. CHLC03
Provenance
Bahmann, U.
Entry Type
Specimen TSNB474
Description
Lustrous metallic crystals of steel-grey chalcocite, free-standing on a chalcocite-rich sulphide matrix encrusted with bright brassy microcrystalline pyrite. The chalcocite crystals (to 6 mm) are well formed with fine striations on some of the faces.
The specimen was formerly in the collction of Uli Bahmann but the location in the mine is not recorded.
Associated Minerals
pyrite