Polished Tiger Iron slab TI360 rare OG177 Polished orbicular granite slab

OG177   Polished orbicular granite slab

with great weathered rough side

125 mm x 60 mm  x 45 mm

Dimensions approximately 85 mm x 65 mm x 7 mm thick

AZ122  Azurite sun mineral specimen

Polished Tiger Iron slab TI360 rare OG177 Polished orbicular granite slabTI360 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 195 mm x 130 mm x 9. 5 mm thick. Weighs: 454 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.