Quartz Crystals lot, bulk quantity clear crystals

Quartz is piezoelectric: a crystal develops positive and negative charges on alternate prism edges when it is subjected to pressure or tension.
Quartz is one of the most famous minerals on the earth. It occurs in essentially all mineral environments.
Quartz Used in faceted gems, beads. carving, decorative objects, and lamps. The material is common and has little intrinsic value, except in very large, flawless pieces.