Polished Tiger Iron slab TI374 atlantisite Dimensions at widest points approximately

Dimensions at widest points approximately 90 mm x 75 mm x 9 mm  thick

Dimensions approximately 110 mm x 65 mm x 50 mm deep

POT138  Tumble polished Pink Opal from Mooka Creek

90 mm x 80 mm x 20 mm

Dimensions at widest points approximately 135 mm x 120 mm x 40 mm thick

Polished Tiger Iron slab TI374 atlantisite Dimensions at widest points approximatelyTI374 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 12 mm thick. Weighs: 2,460 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