Gemstone Bead, Quartz, Off White, Faceted, Round, 6MM

Quartz is the second most abundant mineral in the earth's continental crust, after feldspar. It is made up of a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SIO2.

There are many different varieties of quartz, several of which are semi-precious gemstones.. Especially in Europe and the Middle East, varieties of quartz have been since antiquity the most commonly used minerals in the making of jewelry and hard stone carvings.