Polished Lime Magnesite specimen. MAP196 petrified wood Dimensions at widest points approximately

Dimensions at widest points approximately 125 mm  x 50 mm wide x 6 mm thick

Weighs 142 grams

Dimensions at widest points approximately 160 mm x 65 mm x 60 mm thick

Dimensions at widest points approximately 80 mm x 65  mm x 8 mm thick

Dimensions approximately 135 mm x 85 mm x approx  x 8 mm thick

Polished Lime Magnesite specimen. MAP196 petrified wood Dimensions at widest points approximatelyMAP196. 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 85 mm x 70 mm x 55 mm thick. Weighs 380 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.