Polished Magnesite specimen. MAP168 #gemstone Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 100 mm x 100 mm thick

SPF126   Fossil stromatolite  polished on one side with natural weathered exterior

Approximate dimensions at widest points 100 mm  x 70 mm  x 40 mm thick

Weighs 360 grams

Polished Magnesite specimen. MAP168 #gemstone Dimensions at widest points approximatelyMAP168. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Dimensions at widest points approximately 100 mm x 60 mm x 35 mm thick. Weighs 366 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Eucalyptus, north of Kalgoorlie , Western Australia.