Polished De Grussa copper ore slab CO121 polished prehnite IRR120 Fossil stromatolite slab polished

IRR120  Fossil stromatolite slab polished on one side

85 mm x 60 mm x 25 mm thick

polymictic

Tumble polished Prase

Dimensions at widest points approximately 145 mm x 135 mm  x 8

Polished De Grussa copper ore slab CO121 polished prehnite IRR120 Fossil stromatolite slab polishedCO121 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 240 mm x 170 mm x 13 mm thick. Weighs: 1,430 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of dark green malachite, tenorite, cuprite, chrysocolla, 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