PreviousNext FLU5676 - FLUORITE with GALENA $300.00 Locality Rogerley Mine, near Frosterley; Weardale District; Northern Pennines, County Durham, England, UK Dimensions 112mm x 76mm x 58mm Dark green transparent to translucent interpenetrating cubic fluorite crystals, up to 23 mm across, with minor gray galena, on a fluorite-limestone matrix. Fluorite is fluorescent blue-violet under shortwave, midwave and longwave UV light. These fluorites also exhibit daylight fluorescent, turning blue-green under direct sunlight.