Polished Tiger Iron slab TI392 black jasper conglomerate Dimensions at widest points approximately

Dimensions at widest points approximately 160 mm x 115 mm x 12 mm thick

GREEN60  Green Opal slab

Dimensions at widest points approximately 90 mm x 70 mm x 50 mm thick

Dimensions at widest points approximately 150 mm x  100 mm x 70 mm thick

Dimensions approximately 120 mm x 90 mm x 60 mm thick

Polished Tiger Iron slab TI392 black jasper conglomerate Dimensions at widest points approximatelyTI392 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 190 mm x 125 mm x 10. 5 mm thick. Weighs: 641 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.