Polished Tiger Iron TI383 chrysophase Approximate dimensions at widest points

Approximate dimensions at widest points 100 mm  x 80 mm  x 50 mm thick

Dimensions at widest points approximately 115 mm x 55 mm x 25 mm thick

NJ447   Noreena Jasper slab

Dimensions approximately 165 mm x 150 mm x 150 mm thick

Polished Tiger Iron TI383 chrysophase Approximate dimensions at widest pointsTI383 Tiger Iron rough rock, cut and polished on one side with a rough natural back. Dimensions at widest points approximately 120 mm x 65 mm x 35 mm thick. Weighs: 639 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.