Polished De Grussa copper ore slab CO128 Jasper Weighs 333 grams

Weighs 333 grams

It weighs 246 grams

grinding or polishing as the matrix holding the pisolites (small round pebbles) is in many cases quite soft

70 mm x 45 mm  x 11 mm

Dimensions at widest points approximately 120 mm x 100 mm x 14 mm thick

Polished De Grussa copper ore slab CO128 Jasper Weighs 333 gramsCO128 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 345 mm x 220 mm x 13 mm thick. Weighs: 2,090 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