140g in weight, 45mm in diameter.
Smoky 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.
Smoky quartz is said to be one of the most grounding crystals that absorbs negative energy. Said to have a strong link with the earth and base chakras.