Polished De Grussa copper ore slab CO118 asperia Mostly plain petrified wood but

Mostly plain petrified wood but one Teredo bore hole is visible

13 mm thick

Dimensions at widest points approximately 120 mm  x 55 mm wide x 8 mm thick

Dimensions at widest points approximately 105 mm x 60 mm x 40 mm thick

Polished De Grussa copper ore slab CO118 asperia Mostly plain petrified wood butCO118 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 300 mm x 240 mm x 18 mm thick. Weighs: 2,718 grams A mix of copper minerals that formed in the upper oxidised zone. Fractured quartz vein infilled with iron oxides and chrysocolla. The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased mining in 2022.