BLUE SMELTING POINT

(Stand or LED light not included)

These spheres are so awesome and make an amazing addition to your collection.

Smelt Quartz" is not quartz at all --

it is glass, which is made from melting quartz in the presence another compound (called a flux) which lowers the melting temperature. Glass is not crystalline, whereas quartz and other minerals (with few exceptions) are crystalline.