Polished De Grussa copper ore slab CO137 magneprase Dimensions at widest points approximately

Dimensions at widest points approximately 110 mm  x 110 mm wide x 40 mm thick

EU108  Eucryptite rough rock

PU163  Purple Chalcedony slab

Dimensions at widest points approximately 90 mm x 55 mm x 40 mm thick

70 mm x 40 mm x 25 mm thick

Polished De Grussa copper ore slab CO137 magneprase Dimensions at widest points approximatelyCO137 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 140 mm x 90 mm x 10. 5 mm thick. Weighs: 287 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of blue chrysocolla, minor green malachite, tenorite, native copper and brown iron oxides. The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased mining in 2022.