Polished Lime Magnesite specimen. MAP203 black conglomerate OG179 Polished orbicular granite with

OG179   Polished orbicular granite with natural rough back

75 mm x 60 mm  x 26 mm

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

Dimensions at widest points approximately 120 mm x 75  mm x 7

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

Polished Lime Magnesite specimen. MAP203 black conglomerate OG179 Polished orbicular granite withMAP203. 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.