Scalenohedral Dog Tooth Calcite Crystal from Pakistan photochromic You will get some fluorescence

You will get some fluorescence with a 365nm long wave ultraviolet light

Beautiful bi color blue and green tourmaline crystal with quartz crystals on a matrix of white feldspar

Size: 37 x 15 x 10 mm

A 365 nm long wave ultraviolet light was used in the fluorescent photos

natural river tumbled topaz crystal

Scalenohedral Dog Tooth Calcite Crystal from Pakistan photochromic You will get some fluorescenceDogtooth calcite crystal. When viewed with a back light (on one side) it looks as though there is a phantom inside. The texture of this piece was difficult to capture on film but is very interesting. Location: Pakistan Size: 93 x 53 x 53 mm. 210 grams.