Polished Tiger Iron slab TI357 black jasper conglomerate NJ411 Noreena Jasper slab

NJ411   Noreena Jasper slab

POP196   Brecciated Pink Opal rough rock

Dimensions approximately 145 mm x 135 mm x 75 mm thick

cut and polished at right angles to crystal growth

Dimensions at widest points approximately 130 mm  x 125 mm wide x 8 mm thick

Polished Tiger Iron slab TI357 black jasper conglomerate NJ411 Noreena Jasper slabTI357 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 155 mm x 115 mm x 8. 5 mm thick. Weighs: 318 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.