Polished Tiger Iron slab TI328 aquamarine From near Wiluna in Western

From near Wiluna in Western Australia

CH425  Chrysoprase nodule

Weighs 672 grams

OJ129  A rough rock

Approximate dimensions at widest points 130 mm  x 85 mm  x 60 mm thick

Polished Tiger Iron slab TI328 aquamarine From near Wiluna in WesternTI328 Tiger Iron slab, polished on one side. Amazing folds ! Dimensions at widest points approximately 125 mm x 120 mm x 11 mm thick. Weighs: 430 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.