Polished Tiger Iron TI386 black conglomerate 210 mm x 100 mm

210 mm x 100 mm x 40 mm thick

Dimensions at widest points approximately 150 mm x 100 mm x 9 mm thick

Weighs 614 grams

MKC101 Mookaite cabochon

Weight is 644 grams

Polished Tiger Iron TI386 black conglomerate 210 mm x 100 mmTI386 Tiger Iron rough rock, cut and polished on one side with a rough natural back and a cut base to sit as a display specimen. Dimensions at widest points approximately 160 mm x 70 mm x 40 mm thick. Weighs: 1,085 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,