Group of water-clear gypsum crystals showing a magnificent luster and transparency and complex forms with well defined edges and striated faces. On a white alabaster matrix covered by small and brilliant gypsum crystals. Under short and long wave ultraviolet light sources all specimens show fluorescence and evident phosphorescence. The selenite specimens from Fuentes de Ebro quarries have been considered the best ones worldwide. Fluorescence UVC & UVA. THE MAIN CRYSTAL IS: 4,3 x 1,6 x 0,4 cm.