Polished De Grussa copper ore slab CO103 polished slab Dimensions at widest points approximately

Dimensions at widest points approximately 135 mm x 65 mm x 19 mm thick

A matching pair of polished Magnesite (Lemon Chrysoprase) halves with natural rough backs

Dimensions at widest points approximately 130 mm  x 75 mm x 7 mm thick

380 mm x 90 mm  x 100 mm

Approximate weight of each piece is between 8 and 42 grams

Polished De Grussa copper ore slab CO103 polished slab Dimensions at widest points approximatelyCO103 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 150 mm x 90 mm x 12 mm thick. Weighs: 487 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.