Quartz with Calcite

Unknown Owner

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Purple amethystine quartz covering the top of matrix with sharp spiky crystals of colorless calcite. In good condition. Nice color contrast making for an attractive specimen.Cavnic, located in the Maramures region of northern Romania, is a historic mining district with metal extraction dating back to medieval times and sustained commercial operations through the twentieth century. Geologically, the area is situated within the Neogene volcanic belt of the Eastern Carpathians, where epithermal vein deposits formed through hydrothermal activity associated with calc-alkaline volcanism. Mineralogically, the district is world-famous for its rich polymetallic sulfide veins, producing exceptional, highly aesthetic museum specimens of quartz, rhodochrosite, calcite, sphalerite, galena, and various sulfosalts that are treasured by collectors globally.