UV Reactive Fluorescent Minerals Set – Natural Glow in the Dark Rocks
Tiffany stone, Calcite, Spinel
SW - short waves 254nm, LW - long waves 365nm
Size - from 0,5 x 0,5 x 0,5 cm to 3,3 x 2,1 x 1,3 cm
Weight - 58 g (whole set)