Fluorescent Mineral Database Back to USANorth Carolina, USAClay County | Cleveland County | Madison County | Mitchell CountyChlorophane Fluorite faceted from McHone Pegmatite, Spruce Pine, NCOpal-AN and Feldspar from Chalk Mountain Mine, North CarolinaSphalerite from North CarolinaHyalite Opal from the famous Spruce Pine Mine – North CarolinaEucryptite - Foote Mine, Kings Mt., North CarolinaFluorescent Ruby - Chunky Gal Mountain, Clay County, North CarolinaHyalite Opal - Chalk Mountain Mine, Spruce Pine, North Carolina FMDB Home Page Submit a new specimen! My Collection