Polished Lime Magnesite specimen. MAP191 chrysophase Dimensions at widest points approximately

Dimensions at widest points approximately 110 mm x 110 mm x 40 mm thick

Dimensions at widest points approximately 200 mm x 85 mm x 7 mm thick

POT130  Tumble polished Pink Opal from Mooka Creek

Dimensions at widest points approximately 80 mm x 30 mm x 15 mm thick

From Widgiemooltha

Polished Lime Magnesite specimen. MAP191 chrysophase Dimensions at widest points approximatelyMAP191. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Half of a complete nodule with intense colouration ! Dimensions at widest points approximately 115 mm x 105 mm x 90 mm thick. Weighs 1,735 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.