Polished Lime Magnesite specimen. MAP212 annular rings near Rockhampton in Queensland

near Rockhampton in Queensland

120 mm x 70 mm x 25 mm thick

Dimensions at widest points approximately 200 mm  x 150 mm x 7 mm thick

Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation"

Dimensions at widest points approximately 170 mm x 120 mm x 6 mm thick

Polished Lime Magnesite specimen. MAP212 annular rings near Rockhampton in QueenslandMAP212. Magnesite (Lemon chrysoprase) rough rock, cut and polished on one side with a natural back. Rare webbed piece ! Dimensions at widest points approximately 90 mm x 90 mm x 40 mm thick. Weighs 519 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From north of Kalgoorlie , Western Australia.