Polished Tiger Iron slab TI267 Orbicular Granite Dimensions at widest points approximately

Dimensions at widest points approximately 195 mm x 90 mm x 9

The darker pink areas are chalcedony surrounded by lighter coloured opal

Mookaite slab

CH431  Chrysoprase  slab polished  on one side

Dimensions approximately 165mm x 40mm x 5-45mm thick

Polished Tiger Iron slab TI267 Orbicular Granite Dimensions at widest points approximatelyTI267 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 130 mm x 100 mm wide x 8 mm thick. Weighs: 287 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.