Polished Tiger Iron TI295 Rain Forest Jasper MK426 Mookaite cut and polished

MK426   Mookaite cut and polished on one side with a rough natural back

Weighs 176 grams

Oldest agates on Earth

Dimensions at widest points approximately 120 mm x 35 mm x 10 mm thick

Dimensions at widest points approximately 190 mm x 100 mm x 90 mm thick

Polished Tiger Iron TI295 Rain Forest Jasper MK426 Mookaite cut and polishedTI295 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 120 mm x 40 mm wide x 55 mm thick. Weighs: 608 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