This shattuckite and chrysocolla is from the Milpillas Mine in Cuitaca, Mun de Santa Cruz, Sonora, Mexico. Mining at this locale began in 2006 with the extraction of copper minerals. Thirty-six mineral species have been identified at the mine including the copper silicates shattuckite and chrysocolla. They are secondary minerals generally found in oxidized copper ore bodies such as being mined at Milpillas.This piece is a colorful mixed ore breccia matrix that hosts deposits of shattuckite and chrysocolla as well as a vug filled with shattukite included quartz crystals. This piece measures 2 3/4 x 2 1/8 x 13/16 inches or 70 x 53 x 21 mm.