Wow. This Cluster of Pyrite is exquisite. It has perfect etched cubes over the entire body, along with some beautiful Quartz Points. It weighs 17.50 lbs, and is 11"X6". It is from the Huanzala Mine in Peru, with spectacular luster and shine. Pyrite is one of the most powerful alchemical stones, an Iron Sulfide. Museum quality. New.