Polished Tiger Iron slab TI267 Orbicular Granite Weighs 159 grams

Weighs 159 grams

The darker pink areas are chalcedony surrounded by lighter coloured opal

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

Difficult to photograph but is a pleasing lilac colour

CH431  Chrysoprase  slab polished  on one side

Polished Tiger Iron slab TI267 Orbicular Granite Weighs 159 gramsTI267 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.