Polished Tiger Iron TI382 #brecciated pink opal Dimensions approximately 100 mm x

Dimensions approximately 100 mm x 90 mm x 90 mm thick

195 mm x 150 mm x 8 mm

Green Opal occurs at a location south of Kalgoorlie in the Eastern Goldfields of Western Australia

It weighs 957 grams

B224  Black Jasper Conglomerate slab

Polished Tiger Iron TI382 #brecciated pink opal Dimensions approximately 100 mm xTI382 Tiger Iron rough rock, cut and polished on one side with a rough natural back. Dimensions at widest points approximately 110 mm x 60 mm x 30 mm thick. Weighs: 405 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.