Polished Green Opal slab GRN113 stripey TI303 Tiger Iron slab

TI303   Tiger Iron slab

MN140  Magneprase rough rock

Dimensions at widest points approximately 120 mm x 105 mm x 80 mm thick

Dimensions at widest points approximately 105 mm x 100 mm x 9 mm thick

Weighs:  169 grams

Polished Green Opal slab GRN113 stripey TI303 Tiger Iron 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..