Polished Tiger Iron slab TI363 ashburton agate RFJ146 Rhyolite (Rainforest Jasper) rough

RFJ146  Rhyolite (Rainforest Jasper) rough rock

KA142   Kumarina Agate

Dimensions at widest points approximately 225 mm x 120 mm x 65 mm thick

SPF129   Fossil stromatolite

Polished Tiger Iron slab TI363 ashburton agate RFJ146 Rhyolite (Rainforest Jasper) roughTI363 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.