Striking well-formed Galena crystals with fluorescent Calcite (UV) and yellow Calcite from Krushev dol Mine, Madan Municipality, Smolyan Province, Bulgaria. Striking, well-formed galena crystals are attractively accented by both fluorescent and yellow calcite on matrix from the renowned Krushev dol Mine, Madan Municipality, Smolyan Province, Bulgaria. Under UV light, the calcite displays a brilliant fluorescence, providing a dramatic contrast to the metallic luster of the sharp galena cubes and the rich yellow calcite highlights. This piece exemplifies the mineralogical diversity for which the Madan district is famous, offering both visual beauty under normal and UV light. An exceptional and eye-catching addition for collectors seeking showcase-quality Bulgarian galena and calcite associations. 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.