Fluorescent Calcite (UV) crystals var poker chip from Krushev Dol Mine, Madan, Bulgaria. A stunning specimen from the renowned Krushev Dol Mine, featuring fluorescent calcite crystals of the desirable “poker chip” variety. Under ultraviolet light, these lustrous calcites glow with a vivid fluorescence, dramatically revealing their internal structure and natural beauty. Krushev Dol Mine is famed for producing high-quality calcite, galena, and sphalerite specimens. The poker chip calcites from this locality are prized for their distinctive disc-like form and strong UV reaction. This piece is an excellent addition for collectors seeking a combination of classic Bulgarian mineralogy, exceptional fluorescence, and striking visual appeal.