Polished De Grussa copper ore slab CO121 polished prehnite Tumble polished Prase
Baker’s notes & crumb story
Description
Tumble polished Prase
TIR164 Tiger Iron rough rock
Weight is 151 grams
CLT120 Tumble polished Crazy Lace Agate from Western Australia
Polished De Grussa copper ore slab CO121 polished prehnite Tumble polished PraseCO121 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