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 2,8 x 1,8 x 0,9 cm
Weight - 59 g (whole set)