Polished Lime Magnesite specimen. MAP206 mookalite The matrix that this copper

The matrix that this copper based mineral forms on is kaolinite

Dimensions at widest points approximately 150 mm x 90 mm x 55 mm thick

Dimensions at widest points approximately 90 mm x 85 mm and 9 mm thick

Weighs 393 grams

Polished Lime Magnesite specimen. MAP206 mookalite The matrix that this copperMAP206. 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 110 mm x 95 mm x 70 mm thick. Weighs 783 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From Yerilla, north of Kalgoorlie , Western Australia.