This is a specimen of Dendritic Copper. (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net) It’s amazing to think of Copper as having formed this way naturally, but so it did. This specimen of Copper exhibits a classic dendritic formation and is in excellent condition.

Location: Ray Mine, Pinal County, Arizona, USA

Size: 9.8 x 3.5 x 1.5 cm