Smoky Quartz 4x6mm Corner Drilled Table Cut Cube Bead - 15-16 Inch sapphire Two of the finest mines

Two of the finest mines in the Hubei province are the Yungai

It is visually characterized by a multi-colored appearance of purple

It was named and first described by the Greek philosopher and botanist Theosphrastus in 315 BCE

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

Aquamarine

Smoky Quartz 4x6mm Corner Drilled Table Cut Cube Bead - 15-16 Inch sapphire Two of the finest minesSmoky 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.