US$ 179.00
BJ114 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)
5 cm thick
Interesting ripple-like undulations across the top
CLA232 A slab
Polished Tiger Iron slab TI377 Tiger Eye BJ114 Polished "Black Jade" ATI377 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 195 mm x 130 mm x 9. 5 mm thick. Weighs: 548 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$ 179.00
US$ 17.99
US$ 45.00
US$ 18.95
US$ 198.00