Polished Tiger Iron slab TI337 rare agate 160 mm x 110 mm

160 mm x 110 mm x 10

TI331   Tiger Iron rough rock

BJT103  Pendant shaped tumble polished "Black Jade"  from Western Australia

Dimensions approximately 150mm x 110mm x 10mm thick

Dimensions at widest points approximately 175 mm x 100 mm x 6 mm thick

Polished Tiger Iron slab TI337 rare agate 160 mm x 110 mmTI337 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 100 mm x 8 mm thick. Weighs: 310 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.