Huge 32.7lb Chunk Multi-Terminated Smoky Quartz

This stunning and HUGE smoky quartz crystal has many beautiful terminated points. Crystal cluster is approx. 15" x 9" x 5"

Weight: 32.7 lbs. (14.8kgs) 
Smoky quartz is a gray, 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. The smoky color results from free silicon formed from the silicon dioxide by natural irradiation. Wikipedia

Crystal system: Hexagonal crystal system
Mineral class: Quartz