A fine, old-time and heavy specimen of solid crystallized copper from the famous mines at Bisbee and the Dennis Mullane Collection. This excellent, arborescent piece consists of spinel-twins, tetrahexahedrons and hackly copper crystals. The "thumb" or branch is 4.8 cm long and the spinel-twins reach 4.3 cm. The copper crystals have a nice patina. A larger than normal and fine copper specimen from Bisbee. 757 grams or nearly 1.7 pounds of pure copper.