Polished Tiger Iron slab TI336 stitchtite in serpentine Dimensions at widest points approximately

Dimensions at widest points approximately 140 mm x 110 mm x 8 mm thick

Dimensions at widest points approximately 135 mm  x 105 mm wide x 10 mm thick

Dimensions at widest points approximately 95 mm  x 75 mm x 8

DO186  Wanong Dendritic Opal rough rock

Dimensions at widest points approximately 170 mm x 100 mm x 100 mm thick

Polished Tiger Iron slab TI336 stitchtite in serpentine Dimensions at widest points approximatelyTI336 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 200 mm x 150 mm x 7 mm thick. Weighs: 509 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.