Polished De Grussa copper ore slab CO138 atlantisite Dimensions at widest points approximately

Dimensions at widest points approximately 265 mm  x 150 mm x 10 mm thick

5 mm thick and weighs 287 grams

It weighs 843 grams

CH455  Chrysoprase slab

Polished De Grussa copper ore slab CO138 atlantisite Dimensions at widest points approximatelyCO138 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 240 mm x 120 mm x 11 mm thick. Weighs: 705 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.