Quartz with Chalcopyrite and Sphalerite from Cavnic Mine, Cavnic, Maramureș County, Romania. A captivating specimen featuring sharp quartz crystals hosting lustrous chalcopyrite and sphalerite from the renowned Cavnic Mine, Cavnic, Maramureș County, Romania. The golden chalcopyrite shows iridescent highlights, contrasting beautifully with the dark sphalerite and translucent quartz points on matrix. Cavnic Mine is celebrated for its exceptional mineral associations, and fine dolomite on quartz is a classic display piece from this historic locality. The lively, shimmering appearance of this specimen makes it an ideal addition for collectors seeking authentic European classics and brilliant natural sparkle from one of Romania’s prestigious mining sites. The Cavnic Mine in Maramureș County, Romania has not been operating since 2008, when all mines in the area were closed, the adits were sealed, and external infrastructure was demolished or is in the process of demolition.