Polished Lime Magnesite specimen. MAP219 chatoyance Dimensions approximately 60 mm x

Dimensions approximately 60 mm x 50 mm x 40 mm deep

Dimensions at widest points approximately 160 mm x 95 mm x 80 mm thick

Highly visible annular rings

A mix of copper minerals that formed in the upper oxidised zone

BM330  Brecciated  Mookaite rock

Polished Lime Magnesite specimen. MAP219 chatoyance Dimensions approximately 60 mm xMAP219. 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 95 mm x 50 mm thick. Weighs 726 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From north of Kalgoorlie , Western Australia.