Polished Lime Magnesite specimen. MAP191 Green Opal Weighs 870 grams

Weighs 870 grams

Dimensions at widest points approximately 135 mm x 80 mm x 9 mm thick

Dimensions approximately 100 mm x 45 mm x 7 mm thick

Rough Lime Magnesite nodule

Dimensions approximately 185 mm x 95 mm x 6 mm thick

Polished Lime Magnesite specimen. MAP191 Green Opal Weighs 870 gramsMAP191. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Half of a complete nodule with intense colouration ! Dimensions at widest points approximately 115 mm x 105 mm x 90 mm thick. Weighs 1,735 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.