Polished Tiger Iron slab TI378 polished crazy lace VV110 Vivianite nodule cut in

VV110  Vivianite nodule cut in half with face polished

Dimensions at widest points approximately 120 mm x 60 mm x 40 mm thick

90 mm x 80 mm x 35 - 45 mm thick

Dimensions at widest points approximately 135 mm x 50 mm x 50 mm thick

Total weight 4

Polished Tiger Iron slab TI378 polished crazy lace VV110 Vivianite nodule cut inTI378 Tiger Iron slab, polished on one side. Unusual specimen from a strongly weathered section of the outcrop. Dimensions at widest points approximately 190 mm x 120 mm x 15 mm thick. Weighs: 730 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