Smokey Quartz Polished Crystals (Grade A)

Description

Natural grade A large Smokey Quartz polished crystals from Nigeria, 30-40 mm.

Smokey Quartz is a brownish grey, translucent variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque brownish-gray or black crystal. Like other quartz gems, it is a silicon dioxide crystal, and is the most common mineral the earth’s crust.