Polished Green Opal slab GRN106 jelly bean jasper Weighs 479 grams

Weighs 479 grams

Dimensions at widest points approximately 155 mm x 110 mm x 55 mm thick

The interesting cylindrical cavities are all that remain of fossil belemnites which were a squid-like creature with a tapering torpedo or bullet shaped body

80 mm x 60 mm  x 7

Dimensions at widest points approximately 110 mm x 65 mm x 30 mm thick

Polished Green Opal slab GRN106 jelly bean jasper Weighs 479 gramsGRN106 Green Opal & Magnesite slab, cut and polished on one side . Dimensions at widest points approximately 225 mm x 160 mm x 13. 5 mm thick Weighs 570 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..