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

Dimensions approximately 60 mm x 50 mm x 40 mm deep

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

PU152  Purple Chalcedony rough rock

Dimensions 135 mm x 80 mm x 40 mm thick

CH429  Chrysoprase  slab polished  on one side

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.