Polished Tiger Iron slab TI345 aquamarine 145 mm x 80 mm

145 mm x 80 mm  x 8 mm

weighs 470grams

BJ115 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Weighs:  88 grams

Dimensions at widest points approximately 65 mm x 45 mm x 20 mm thick

Polished Tiger Iron slab TI345 aquamarine 145 mm x 80 mmTI345 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 260 mm x 130 mm x 10 mm thick. Weighs: 843 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.