CEYLONMINE-Natural Black Quartz Mala Crystal Stone Faceted Cut 108 Beads Jap Mala (Buy 2 Get 1)

Black quartz is avariety of quartz that ranges in clarity from almost complete transparency to an almost-opaque black crystal. Like other quartz gems, it is a silicon dioxide crystal. The smoky colour results from free silicon formed from the silicon dioxide by natural irradiation.