Polished Tiger Iron slab TI334 black jasper conglomerate 130 mm x 70 mm

130 mm x 70 mm  x 8

Dimensions approximately 100 mm x 90 mm x 80 mm thick

CH412  Chrysoprase cut and polished  on one side with a rough

From the "Marra Mamba Iron Formation" near Mt

Weighs:  420 grams

Polished Tiger Iron slab TI334 black jasper conglomerate 130 mm x 70 mmTI334 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 100 mm x 8 mm thick. Weighs: 308 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.