Polished Lime Magnesite specimen. MAP208 asperia ashburtonia Dimensions at widest points approximately

Dimensions at widest points approximately 90 mm x 70 mm x 8 mm thick

4 billion years

5 mm thick and weighs 179 grams

Polished on one side with a rough natural back and a cut base to sit on

140 mm x 90 mm x 40 mm thick

Polished Lime Magnesite specimen. MAP208 asperia ashburtonia Dimensions at widest points approximatelyMAP208. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Half of a complete nodule ! Dimensions at widest points approximately 165 mm x 100 mm x 80 mm thick. Weighs 1,492 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From north of Kalgoorlie , Western Australia.