Quartz with Pyrite

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Attractive purple gemmy crystals of quartz measuring to 2.5 cm in height coming off matrix with minor pyrite. This is the variety of the species many call amethyst. This is in very good condition and excellent for the locality. On most of these quartz crystals the prism faces are somewhat frosty, the terminations are glassy and gemmy.The Droujba Mine, located in the Laki ore district within the Rhodope Mountains of Plovdiv Province, Bulgaria, has a long history of metal extraction dating back to ancient times. Geologically, the deposit is part of a major polymetallic province hosted within metamorphic and Cenozoic volcanic- tectonic structures of the region. Hydrothermal activity channeled mineral-rich fluids through major fault zones, creating rich vein systems and replacement bodies. The underground workings have become internationally famous among mineral collectors for producing exceptional, high-luster specimens of galena, sphalerite, calcite, and crystal-clear quartz.