Polished De Grussa copper ore slab CO134 green stones LCT114 Tumble polished Lemon Chrysoprase

LCT114    Tumble polished Lemon Chrysoprase

BST107     Fossil stromatolite slab

Dimensions at widest points approximately 175 mm x 100 mm x 6 mm thick

Pilbaria perplexa from the Proterozoic "Duck Creek Dolomite"

Dimensions at widest points approximately 130 mm x 100 mm x 9

Polished De Grussa copper ore slab CO134 green stones LCT114 Tumble polished Lemon ChrysopraseCO133 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 170 mm x 65 mm x 9 mm thick. Weighs: 253 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.