Polished Tiger Iron slab TI375 lace agate Dimensions at widest points approximately

Dimensions at widest points approximately 100 mm x 100 mm x 35 mm thick

Approximate dimensions at widest points 150 mm  x 120 mm  x 95 mm thick

Dimensions at widest points approximately 185 mm x 90 mm x 65 mm thick

Dimensions approximately 220mm x 110mm x 6mm thick

DO218  Dendritic Opal rough rock

Polished Tiger Iron slab TI375 lace agate Dimensions at widest points approximatelyTI375 Tiger Iron slab, polished on one side. Large, museum quality geological specimen displaying folding ! Dimensions at widest points approximately 330 mm x 260 mm x 18. 5 mm thick. Weighs: 4,274 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