Polished Tiger Iron TI380 Polished Beryl 100 mm x 80 mm

100 mm x 80 mm  x 70 mm

Weighs 349 grams

Dimensions at widest points approximately 120 mm x 90  mm x 8 mm thick

170 mm x 70 mm x 60 mm thick & weighs 763 grams

SD155 Stromatolitic Dolomite rough rock

Polished Tiger Iron TI380 Polished Beryl 100 mm x 80 mmTI380 Tiger Iron rough rock, cut and polished on one side with a cut back and base to sit as a display specimen. Dimensions at widest points approximately 205 mm x 150 mm x 55 mm thick. Weighs: 4,920 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