Тип минерал: chalcopyrite

Chalcopyrite, pyrite, bornite, covelite

An outstanding and extremely rare specimen of pseudomorph of pyrite after sphalerite and chalcopyrite, on quartz.. Giudurska mine, Erma reka, Zlatograd area, Bulgaria

Rhodochrosite, quartz, chalcopyrite, pyrite, stilbite

One outstanding, cabinet size specimen of clear quartz and chalcopyrite, overgrowth by pyrite and rhodochrosite. At the end of the crystallization process, small double-ended stilbite crystals cover all previously presented minerals.

Chalcopyrite, galena, sphalerite, calcite, quartz

One very rare cabinet size specimen, presenting chalcopyrite, galena, sphalerite, quartz, and calcite. The chalcopyrite crystals are very unusually elongated in the direction of „C“ ax, instead of the usual tetrahedral crystals.

Galena, calcite, sphalerite, chalcopyrite, bornite, covelite

A very interesting specimen, of black sphalerite – marmatite and chalcopyrite, overgrowth by large galena cubic crystals, followed by flat rhombohedral calcite crystals. In the late stage of crystallization, galena was strongly dissolved and some of the crystals are particularly destroyed. Could be seen typical „fingerprint“ dissolution, but the surfaces stay mirror lustrous. Probably the same process was the reason for appearance of „rainbow chalcopyrite surfaces“ – the result of the coating by bornite and covellite.
size 110 x 65 x 50 mm – weight 311,7 grams

Quartz, galena, chalcopyrite

One very aesthetic specimen of 3 large quartz crystals on the top of galena and chalcopyrite crystals, overgrowth by the second generation small quartz crystals