Calcite with Quartz

specimen number:
2312414

location:
Droujba mine, Laki, Plovdiv, Bulgaria

description:
Sharp scalenohedral crystals of calcite measuring to 3.0 cm in size across a crystallized quartz matrix. In excellent condition.

The Droujba Mine, located in the Laki ore district within the Rhodope Mountains of Plovdiv Province, Bulgaria, has a rich mining history with roots extending back to ancient times, followed by organized industrial extraction during the modern era. Geologically, the deposit is part of a major polymetallic province hosted within complex metamorphic schists, gneisses, and Cenozoic tectonic structures, where hydrothermal fluids circulated through major fault zones to form rich vein systems and replacement bodies. Mineralogically, the underground workings have become internationally famous among mineral collectors for producing exceptional, high-luster specimens of galena, sphalerite, calcite, quartz, and pink rhodochrosite.

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