Polished De Grussa copper ore slab CO123 Noreena Jasper A slab of Amethyst

A  slab of Amethyst

Eucryptite is a lithium aluminium silicate that occurs in LCT pegmatites

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Weighs 532 grams

DO212  Dendritic Opal slab

Polished De Grussa copper ore slab CO123 Noreena Jasper A slab of AmethystCO123 DeGrussa copper ore slab, polished on one side. Dimensions at widest points approximately 140 mm x 70 mm x 11. 5 mm thick. Weighs: 249 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