Polished Lime Magnesite specimen. MAP203 black conglomerate Dimensions at widest points approximately

Dimensions at widest points approximately 150 mm  x 90 mm wide x 9 mm thick

OG191   A matching pair of polished Orbicular Granite halves with natural rough backs

KA140   Kumarina Agate

Dimensions at widest points approximately 195 mm x 75 mm x 70 mm thick

Weight  is 241 grams

Polished Lime Magnesite specimen. MAP203 black conglomerate Dimensions at widest points approximatelyMAP203. 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 120 mm x 120 mm x 60 mm thick. Weighs 1,232 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.