Polished Lime Magnesite specimen. MAP201 Marra Mamba Tiger Eye These small branching columnar stromatolites

These small branching columnar stromatolites are from the “Mount Leake Sandstone”

Dimensions at widest points approximately 150 mm x 110 mm x 11 mm thick

Dimensions at widest points approximately 150 mm x 75 mm x 85 mm thick

100 mm x 70 mm x 50 mm thick

It weighs 240 grams

Polished Lime Magnesite specimen. MAP201 Marra Mamba Tiger Eye These small branching columnar stromatolitesMAP201. 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 85 mm x 60 mm x 50 mm thick. Weighs 430 grams. The subtle lime green colouration is caused by the presence of nickel mineralisation. From north of Kalgoorlie , Western Australia.