Polished Magnesite specimen. MAP171 stand ups Dimensions at widest points approximately

Dimensions at widest points approximately 70 mm x 35 mm x 30 mm thick

From the Greenbushes mine in southern Western Australia which is the largest operating lithium mine in the world

Weighs 112 grams

Tumble polished Pilbara Agates

Dimensions at widest points approximately 95 mm x 45 mm x 35 mm thick

Polished Magnesite specimen. MAP171 stand ups Dimensions at widest points approximatelyMAP171. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Chalcedony grading into silicated magnesite. Dimensions at widest points approximately 100 mm x 75 mm x 27 mm thick. Weighs 369 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Eucalyptus, north of Kalgoorlie , Western Australia.