Macro photos of translucent brown fluorite crystals up to 7mm on matrix. Microcrystals of pyrite are also visible in white light. The fluorite fluoresces bright white in LW, with a greenish phosphorescence (also shown, but from a different angle). FOV 30mm.
Lit by a pair of 365nm flashlights. Specimen is 50 x 44 x 30mm.