Polished Tiger Iron slab TI370 Rain Forest Jasper 170 mm x 70 mm

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

Dimensions at widest points approximately 185 mm x 45 mm x 45 mm thick

9  pieces rough Dendritic Opal

Dimensions at widest point approximately 115 mm x 90 mm x 35 mm

Dimensions at widest points approximately 120 mm x 70 mm x 45 mm thick

Polished Tiger Iron slab TI370 Rain Forest Jasper 170 mm x 70 mmTI370 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 190 mm x 70 mm x 9 mm thick. Weighs: 367 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.