Polished Lime Magnesite specimen. MAP219 chatoyance Dimensions at widest points approximately

Dimensions at widest points approximately 100 mm x 90 mm x 60 mm thick

All reasonably uniform in size (roughly 20 - 30 mm diameter}

Weighs 345 grams

BM330  Brecciated  Mookaite rock

PU152  Purple Chalcedony rough rock

Polished Lime Magnesite specimen. MAP219 chatoyance Dimensions at widest points approximatelyMAP219. 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.