Polished Tiger Iron slab TI293 dendrites Dimensions at widest points approximately

Dimensions at widest points approximately 200 mm x 100 mm x 40 mm thick

Weighs:  235 grams

RFJ132  Rhyolite (Rainforest Jasper) rough rock

Dimensions at widest points approximately 100 mm x 95 mm x 70 mm thick

Weighs 917 grams

Polished Tiger Iron slab TI293 dendrites Dimensions at widest points approximatelyTI293 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 80 mm x 35 mm wide x 6. 5 mm thick. Weighs: 59 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.