$6.50
This variety of nano crystal displays beautiful color-changing effects, allowing one color in daylight (or fluorescent light) and another in incandescent light.
Nano Gems are safe to fire up to 1675°F / 913°C on an open shelf in silver clay, with the exception of the Dark Orange and Orange, which can safely be fired up to 1650°F / 899°C on an open shelf in silver clay.
Mohs scale of hardness 6.5 – 7 mohs
Priced per piece