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

Dimensions at widest points approximately 95 mm x 45 mm x 35 mm thick

Quartz vein intrusion in this piece

Dimensions approximately 90 mm x 80 mm x 7

Dimensions at widest points approximately 120 mm x 115 mm x 10  mm thick

Dimensions approximately 90 mm x 70 mm x 5 mm thick

Polished Tiger Iron slab TI375 ashburton 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