Polished Tiger Iron slab TI289 polished prehnite Dimensions at widest points approximately

Dimensions at widest points approximately 90 mm x 75 mm x 8 mm thick

Weighs 131 grams

NJ444   Noreena Jasper slab

cut and polished on one side with a natural rough back and a cut base to sit as a display specimen

From the "Marra Mamba Iron Formation" near Mt

Polished Tiger Iron slab TI289 polished prehnite Dimensions at widest points approximatelyTI289 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 180 mm x 70 mm wide x 7 mm thick. Weighs: 228 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.