Polished De Grussa copper ore slab CO132 agate All reasonably uniform in size

All reasonably uniform in size (roughly 20 -30 mm diameter}

Dimensions approximately 120 mm x 30 mm x 10 mm thick

Weighs: 996 grams

Dimensions at widest points approximately 140 mm x 80 mm x 80 mm thick

ASP160   Fossil stromatolite slab

Polished De Grussa copper ore slab CO132 agate All reasonably uniform in sizeCO132 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 230 mm x 100 mm x 10 mm thick. Weighs: 486 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of blue chrysocolla, minor green malachite, 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.