Nano Gems - Dark Blue Sapphire - Oval Choose from dropdown:5 x 7mm - Pkg/4 Our surface is 10 mil

Our surface is 10 mil thick

Work in a well ventilated area

When ordering more than 6"

The black color makes these easier to find on your bench

To make paste

Nano Gems - Dark Blue Sapphire - Oval Choose from dropdown:5 x 7mm - Pkg/4 Our surface is 10 milNano Gems Nano Crystals are a type of created gemstone made especially for jewelry. The color is homogeneous, meaning that if you bought 100 emerald green nano gemstones, the color would be exactly the same in every stone. Nano Gems are safe to fire up to 1675F 913C on an open shelf in silver clay, with the exception of the Dark Orange and Orange, which can safely be fired up to 1650F 899C on an open shelf in silver clay. Torch firing is safe for