Smoky Quartz 8mm Faceted Bicone - 15-16 Inch featured_04232026 Sardonyx is sometimes treated to

Sardonyx is sometimes treated to bring out its reddish tones

reds and grays

This effect is known as “labradorescence

The most highly regarded colors are the reds and pinks

Smoky Quartz 8mm Faceted Bicone - 15-16 Inch featured_04232026 Sardonyx is sometimes treated toSmoky 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.