Quartz cluster with some Calcite from Krushev dol Mine, Madan Municipality, Smolyan Province, Bulgaria. A fantastic cluster of quartz crystals with scattered calcite accents, sourced from the renowned Krushev dol Mine, Madan Municipality, Smolyan Province, Bulgaria. This attractive piece features sharp, lustrous quartz points beautifully arranged on the matrix, complemented by delicate calcite coating for subtle contrast. Krushev Dol Mine, located in the famous Madan ore field, is celebrated for producing elegant calcite and quartz combinations with unique surface textures due to secondary mineralization. This piece perfectly captures both the region’s distinctive mineralogy and aesthetic flair, making it an outstanding display for collectors seeking classic Bulgarian specimens with added colour and character.