Polished Tiger Iron slab TI364 Polished rock. MK528 Mookaite cut and polished

MK528   Mookaite cut and polished on one side with a rough natural back

It weighs 186 grams

cut and polished on one side with a natural back and a cut base to stand on as a display specimen

OG180   Polished orbicular granite with natural rough back

Dimensions at widest points approximately 155 mm x 100 mm x 30 mm thick

Polished Tiger Iron slab TI364 Polished rock. MK528 Mookaite cut and polishedTI364 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 105 mm x 7 mm thick. Weighs: 262 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.