Polished Tiger Iron slab TI359 lepidolite BJ124 Polished "Black Jade" A

BJ124 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

AZ152  Azurite sun mineral specimen

OG180   Polished orbicular granite with natural rough back

7 mm thick and weighs 145 grams

Weighs 914 grams

Polished Tiger Iron slab TI359 lepidolite BJ124 Polished "Black Jade" ATI359 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 290 mm x 170 mm x 12. 5 mm thick. Weighs: 1,694 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.