Polished Tiger Iron slab TI363 ashburton agate 70 mm x 45 mm

70 mm x 45 mm  x 9

EU109  Eucryptite slab

Dimensions at widest points approximately 145 mm x 95 mm x 95 mm thick

Dimensions approximately 140 mm x 60 mm x 11 mm thick

RFJ146  Rhyolite (Rainforest Jasper) rough rock

Polished Tiger Iron slab TI363 ashburton agate 70 mm x 45 mmTI363 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 70 mm x 9 mm thick. Weighs: 201 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.