Polished Tiger Iron slab TI397 green Tumble polished Chrysoprase from Western

Tumble polished Chrysoprase from Western Australia

Weighs  1

Dimensions at widest points approximately 130 mm x 90 mm x 11 mm thick

Sections consist of a chaotic mixture of dolomite and/or stromatolite fragments set in a matrix of mudstone and/or coarsely crystalline dolomite

Weight 265 grams

Polished Tiger Iron slab TI397 green Tumble polished Chrysoprase from WesternTI397 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 200 mm x 140 mm x 7 mm thick. Weighs: 451 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.