Smoky Quartz 7x8mm Faceted Round Nugget - 15-16 Inch Lime Pink (Dyed) as well as grays

as well as grays

The opaque stone’s red color is due to high iron content

Chiastolite is also known as the Cross Stone for the cross matrices of browns

Amber is composed of several tree resins

Smoky Quartz 7x8mm Faceted Round Nugget - 15-16 Inch Lime Pink (Dyed) as well as graysSmoky 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.