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

Very unusual piece with much of the variscite altering from green to yellow

Dimensions approximately 135 mm x 90 mm x 9

SD156 Stromatolitic Dolomite slab

Weighs 162 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..