Smoky Quartz 10x16mm Faceted Marquise Bead - 15-16 Inch Purple Oyster Shell These ear wires are a

These ear wires are a jewelry makers must have

as well as gray and white inclusions in marbled patterns

Kentucky agate is a prized

with a chemical composition of sodium aluminum oxide

This Phantom Quartz is gray

Smoky Quartz 10x16mm Faceted Marquise Bead - 15-16 Inch Purple Oyster Shell These ear wires are aSmoky Quartz is a translucent smoky brown or gray variety of Quartz. It ranges from almost completely transparent to an almost opaque brownish to gray crystal. The color of Smoky Quartz is due to natural irradiation and traces of aluminum within the crystal lattice of the stone. Smoky Quartz it the national gem of Scotland, where it was mined since around 300 BCE.