Polished Green Opal slab GRN113 polished noreena BA116 Polished Brazilian Agate slab

BA116  Polished Brazilian Agate slab

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

Weighs 124 grams

TI350  Tiger Iron slab

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

Polished Green Opal slab GRN113 polished noreena BA116 Polished Brazilian Agate slabGRN113 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..