Polished Lime Magnesite specimen. MAP201 Marra Mamba Tiger Eye Dimensions approximately 175 mm x

Dimensions approximately 175 mm x 160 mm x 5 mm thick

Dimensions at widest points approximately 150 mm x 80 mm x 21 mm thick

Dimensions at widest points approximately 160 mm x 80 mm x 8 mm thick

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

Polished Lime Magnesite specimen. MAP201 Marra Mamba Tiger Eye Dimensions approximately 175 mm xMAP201. 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.