Polished Tiger Iron TI265 prehnite Dimensions at widest points approximately

Dimensions at widest points approximately 150 mm  x 90 mm wide x 9 mm thick

Weighs 789 grams

Sizes approx

Dimensions approximately 75 mm x 55 mm x 18 mm thick

Polished Tiger Iron TI265 prehnite Dimensions at widest points approximatelyTI265 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 200 mm x 100 mm wide x 80 mm thick. Weighs: 2,765 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