Polished Tiger Iron slab TI321 polished Noreena Jasper 66 mm x 31 mm

66 mm x 31 mm x 6 mm thick dome

Highly translucent and grading into light green chrysoprase

65 mm x 45 mm x 20 mm

NJ434  A rough rock

38 mm x 38 mm x 17 mm

Polished Tiger Iron slab TI321 polished Noreena Jasper 66 mm x 31 mmTI321 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 115 mm x 80 mm x 7. 5 mm thick. Weighs: 226 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.