Pair of polished Magnesite halves. MAP204 dolomite Dimensions at widest points approximately

Dimensions at widest points approximately 110 mm x 85 mm and 9 mm thick

Dimensions at widest points approximately 160 mm x 100 mm x 80 mm thick

BJ122 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

200 mm x 125 mm x 55 mm thick

155 mm x 70 mm x 30 mm thick

Pair of polished Magnesite halves. MAP204 dolomite Dimensions at widest points approximatelyMAP204. A matching pair of polished Magnesite (Lemon Chrysoprase) halves with natural rough backs. (A single nodule cut in half). The lime green colouration is caused by the presence of nickel mineralisation. Dimensions at widest points of each half approximately 115 mm x 80 mm x 45 mm thick. Weighs 1,094 grams. From north of Kalgoorlie, Western Australia.