Polished Tiger Iron slab TI371 Polished dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 150 mm x 80 mm and 6

Dimensions at widest points approximately 95 mm x 90 mm x 50 mm thick

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Dimensions at widest points approximately 185 mm x 145 mm x 12 mm thick

OG182   Polished orbicular granite with natural rough back

Polished Tiger Iron slab TI371 Polished dendritic opal Dimensions at widest points approximatelyTI371 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 65 mm x 9 mm thick. Weighs: 230 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.