Polished Green Opal slab GRN93. red jasper From our mining claim north

From our mining claim north of Newman in the Pilbara region of Western Australia

Dimensions at widest points approximately 110 mm x 90 mm x 50 mm thick

SD156 Stromatolitic Dolomite slab

PC121 Chalcedony slab

Weighs 510 grams

Polished Green Opal slab GRN93. red jasper From our mining claim northGRN93 Green Opal & Magnesite slab, cut and polished on one side . Dimensions at widest points approximately 115 mm x 90 mm x 9 mm thick Weighs 155 grams. Green Opal occurs at a location south of Kalgoorlie in the Eastern Goldfields of Western Australia. The green colouration is caused by traces of nickel and or chromium. Sometimes it exhibits striking contrasting veins of magnesite..