US$ 35.00
banded chert
Face is approximately 105mm x 50mm and 7mm thick
Dimensions approximately 170mm x 110mm x 11mm thick
Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation"
It weighs 120 grams
Polished Tiger Iron slab TI212 tube agate banded chertTI212 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 110 mm x 100 mm wide x 6. 5 mm thick. Weighs: 208 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.
US$ 35.00
US$ 500.00
US$ 75.99
US$ 2225.50