Polished Tiger Iron TI361 Marramamba Tiger Eye Dimensions at widest points approximately

Dimensions at widest points approximately 70 mm x 60 mm x 60 mm thick

160 mm x 160 mm  x 17 mm

GRN102  Green Opal & Magnesite rough rock

230 mm x 115 mm  x 10 mm

Weighs 180grams

Polished Tiger Iron TI361 Marramamba Tiger Eye Dimensions at widest points approximatelyTI361 Tiger Iron rough rock, cut and polished on one side with a rough natural back. Dimensions at widest points approximately 120 mm x 120 mm x 80 mm thick. Weighs: 1,863 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.