Polished De Grussa copper ore slab CO126 purple lepidolite KA143 Kumarina Agate

KA143   Kumarina Agate

Dimensions at widest points approximately 130 mm x 55 mm x 10 mm thick

The matrix that this copper based mineral forms on is kaolinite

SPF147   Fossil stromatolite

Dimensions at widest points approximately 130 mm x 100 mm x 45 mm thick

Polished De Grussa copper ore slab CO126 purple lepidolite KA143 Kumarina AgateCO126 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 360 mm x 220 mm x 16 mm thick. Weighs: 2,178 grams A mix of copper minerals that formed in the upper oxidised zone. Consisting of dark green malachite, blue chrysocolla, tenorite, minor cuprite , 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