This cabochon of Shattuckite has gorgeous color and patterns. Shattuckite is a relatively rare copper silicate mineral. It was first discovered in the copper mines of Bisbee, Arizona, specifically the Shattuck Mine (hence the name). It is a secondary mineral that forms from the alteration of other secondary minerals. 
Flat polished beveled back
Measures 25.80x47.55mm
Thickness 6.75mm