Polished Tiger Iron slab TI374 atlantisite Weighs 220grams

Weighs 220grams

Very unusual piece of Chrysoprase grading to a central core of whitish Chalcedony

Weighs 252 grams

Dimensions approximately 110 mm x 65 mm x 50 mm deep

bright blue chrysocolla

Polished Tiger Iron slab TI374 atlantisite Weighs 220gramsTI374 Tiger Iron slab, polished on one side. Large, museum quality geological specimen displaying folding ! Dimensions at widest points approximately 330 mm x 260 mm x 12 mm thick. Weighs: 2,460 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