Polished Tiger Iron slab TI300 Green Opal Weight 494 grams

Weight 494 grams

Dimensions at widest points approximately 120 mm  x 40 mm wide x 6 mm thick

Approximate dimensions at widest points 145 mm  x 65 mm  x 12 mm thick

Dimensions at widest points approximately 140 mm x 80 mm x 70 mm thick

Beautiful full round with highly visible annular rings

Polished Tiger Iron slab TI300 Green Opal Weight 494 gramsTI300 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 355 mm x 190 mm . Slightly tapering thickness of 6 9 mm. Weighs: 1,150 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.