Polished Green Opal slab GRN113 polished noreena Weighs 124 grams

Weighs 124 grams

TI369   Tiger Iron rough rock

Please note that pink opal is a very fragile stone with many unseen internal fractures

Dimensions at widest point approximately 80 mm x 70 mm x 8

Brockman in the Pilbara region of Western Australia

Polished Green Opal slab GRN113 polished noreena Weighs 124 gramsGRN113 Green Opal & Magnesite slab, cut and polished on one side . Dimensions at widest points approximately 150 mm x 100 mm x 11 mm thick Weighs 318 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..