Quartz with Chlorite, Siderite

specimen number:
2312531

location:
Cavnic, Maramures Co., Romania

description:
Gemmy lustrous crystals of quartz to 5.0 cm in height, these with phantom inclusions lined with green chlorite. Accented throughout with crystallized siderite. Chalcopyrite is present as well. This interesting combination piece is in very good condition.

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.

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