Chalcopyrite from Dal'negorsk, Far-Eastern Region, Russia

Nice specimen of irridescent twinned Chalcopyrite crystals from Dal'negorsk. This item appears to be quite rare from there.

Dimensions: 6.4 x 6 x 2.4 cm
Species: Chalcopyrite, Sphalerite, Galena
Locality: Dal'negorsk, Far-Eastern Region, Russia