Polished De Grussa copper ore display specimen CO144 Marra Mamba Dimensions at widest points approximately

Dimensions at widest points approximately 165 mm high x 110 mm x 90 mm thick

Dimensions at widest points approximately 210 mm

65 mm x 60 mm  x 35 mm

A  slab of Amethyst

Polished De Grussa copper ore display specimen CO144 Marra Mamba Dimensions at widest points approximatelyCO144 DeGrussa copper ore , cut and polished on one side with a cut back and base to sit as a display specimen. Dimensions at widest points approximately 165 mm x 150 mm x 55 65 mm slightly tapering thickness. Weighs: 3,166 grams. A mix of copper minerals that formed in the upper oxidised zone. The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased mining in 2022.