Polished Tiger Iron TI206 snakeskin These small branching columnar stromatolites

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

PU120  Purple Chalcedony rough rock

Dimensions at widest points approximately 190 mm x 150 mm x 10 mm thick

Beautiful full round

Polished Tiger Iron TI206 snakeskin These small branching columnar stromatolitesTI206 Tiger Iron rough rock, cut and polished on one side with a natural back. Dimensions at widest points approximately 110 mm x 40 mm wide x 30 mm thick. Weighs: 245 grams From the Cleaverville Formation, Ord Ranges near Port Hedland, Western Australia. Age is over 3 billion years. Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite magnetite, red jasper and chatoyant golden tiger eye.