Polished Tiger Iron slab TI318 Kumarina PG125 Pegmatite slab

PG125  Pegmatite slab

Dimensions at widest points approximately 110 mm x 90 mm x 75 mm thick

Weighs 672 grams

Dimensions at widest points approximately 115 mm x 100 mm

Dimensions at widest points approximately 170 mm x 120 mm x 12 mm thick

Polished Tiger Iron slab TI318 Kumarina PG125 Pegmatite slabTI318 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 150 mm x 100 mm x 6. 4 mm thick. Weighs: 243 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.