Quartz

Unknown Owner

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Classic specimen for this locality, a matrix less cluster of glassy mostly gemmy and lustrous double terminated quartz crystals averaging 0.8 cm in size. In terrific condition all around, no points of attachment. The dark color is due to the presence of jamesonite.The Herja Mine, located in Maramures County, Romania, is a historic underground mining site with centuries of activity focused on base and precious metal extraction. Geologically, the deposit is situated within the Neogene volcanic belt of the Eastern Carpathians, where complex hydrothermal veins cutting through sedimentary and volcanic host rocks formed rich epithermal orebodies. The mineralizing solutions deposited significant quantities of lead, zinc, and copper sulfides alongside gangue minerals. The underground stopes and vein systems are internationally renowned among mineral collectors for producing crystallized specimens, most notably large, well-formed groups of stibnite crystals associated with quartz, sphalerite, and marcasite.