Polished De Grussa copper ore display specimen CO145 lemon chrysoprase Dimensions at widest points approximately

Dimensions at widest points approximately 200 mm  x 105 mm x 45  mm thick

135 mm x 75 mm  x 65 mm

135 mm x 105 mm  x 13 mm thick

The stromatolite occurs as small digitate columns which are finely laminated

130 mm x 85 mm  x 8 mm

Polished De Grussa copper ore display specimen CO145 lemon chrysoprase Dimensions at widest points approximatelyCO145 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 250 mm high x 260 mm wide x 60 75 mm slightly tapering thickness. Weighs: 10. 69 kgs. 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.