Quartz with Siderite, Chalcopyrite, Pyrite

specimen number:
2312257

location:
Turt Mine, Satu Mare Co., Romania

description:
Crystals of quartz measuring to 2.3 cm in height coming off of a matrix of crystallized chalcopyrite with siderite and pyrite. Attractive combination specimen that is in great condition. Calcite is present as well.

Turt is a commune and mining locality situated in Satu Mare County, in northwestern Romania. Historically, underground mining operations in the area targeted rich polymetallic veins containing lead, zinc, copper, and antimony. While local mineral extraction dates back centuries in the broader Maramures metallogenic province, industrial-scale and organized mine exploitation peaked during the 19th and 20th centuries before operations were permanently shut down in 2005. Geologically, the region is characterized by Neogene volcanic rocks and hydrothermal vein systems that cut through sedimentary formations, creating world-renowned environments for diverse sulfide and sulfosalt mineral crystallization.

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