Three large cubic pyrite crystal across inter grown perched on Basalt matrix. The pyrite crystals have smooth faces and sharp edges, stands upright nicely without additional support. A must-have for any collection, these unique formations are formed through a process of precipitation and crystal growth within sedimentary and metamorphic rocks, taking millions of years and resulting in nearly perfect cubic-shaped crystals.You will receive the exact object in these photos.Weight: 9.4 lbs, Dimensions: 6 x 4 x 7 inches