Polished Magnesite specimen. MAP190 snakeskin Dimensions at widest points approximately

Dimensions at widest points approximately 95 mm x 80 mm x 6

Dimensions at widest point approximately 165 mm x 85 mm x 11 mm

cut & polished on one side

120 mm x 70 mm x 45 mm thick

35 pieces  of rough Green opal

Polished Magnesite specimen. MAP190 snakeskin Dimensions at widest points approximatelyMAP190. Magnesite (Lemon chrysoprase) rough rock (nodule), cut and polished on one side with a natural back. Dimensions at widest points approximately 90 mm x 55 mm x 35 mm thick. Weighs 231 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.