This outstanding native copper specimen is from Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, USA. Bisbee contains dozens of former and current copper/gold/silver mines that contained 286 different minerals including native copper. This piece is an outstanding representation of complex crystalline growth on a large impressive scale. It displays well from all sides and angles. It measures approximately 4 3/4 x 3 1/8 x 2 5/8 inches o5 120 x 80 x 67 mm.