Polished De Grussa copper ore CO105 black jasper Dimensions at widest points approximately

Dimensions at widest points approximately 140 mm x 90 mm x 90 mm thick

PU157  Purple Chalcedony slab

Dimensions at widest points approximately 170 mm x 100 mm x 70 mm thick

Weight 271 grams

80 mm x 65 mm  x 20 mm

Polished De Grussa copper ore CO105 black jasper 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.