Polished De Grussa copper ore CO105 atlantisite Dimensions at widest points approximately

Dimensions at widest points approximately 85 mm

PC112 Chalcedony slab

Weighs 449 grams

All reasonably uniform in size (roughly 20 - 25 mm diameter)

280 mm x 200 mm

Polished De Grussa copper ore CO105 atlantisite Dimensions at widest points approximatelyCO105 DeGrussa copper ore , cut and polished on one side with a natural rough back . Dimensions at widest points approximately 140 mm x 75 mm x 60 mm thick. Weighs: 1,638 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.