Polished Tiger Iron slab TI350 polished prehnite MK468 Mookaite cut and polished

MK468   Mookaite cut and polished on one side with a rough natural back

Dimensions approximately 100 mm x 50 mm x 11 mm thick

Weighs 100 grams

Weighs 497 grams

CH437  Chrysoprase  slab polished  on one side

Polished Tiger Iron slab TI350 polished prehnite MK468 Mookaite cut and polishedTI350 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 270 mm x 160 mm x 12 mm thick. Weighs: 1,279 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.