Smoky Quartz 7x8mm Faceted Round Nugget - 15-16 Inch Kambaba Gem Silica occurs in a

Gem Silica occurs in a vivid blue green color due to the presence of copper in the stone and is free of inclusions of other minerals

and patterns

It is said to bring strength

The name "biotite" is used because these minerals generally cannot be distinguished without optical

Available in a wide array of colors

Smoky Quartz 7x8mm Faceted Round Nugget - 15-16 Inch Kambaba Gem Silica occurs in 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.