Pair of polished Orbicular Granite. OG174 Tumbled stones TIR137 Tiger Iron rough rock

TIR137 Tiger Iron rough rock

Weighs 79 grams

Highly translucent purple with dendrites

Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite/magnetite

Dimensions at widest point approximately 135 mm x 95 mm x 40 mm

Pair of polished Orbicular Granite. OG174 Tumbled stones TIR137 Tiger Iron rough rockOG174 A matching pair of polished Orbicular Granite halves with natural rough backs. (A single nodule cut in half). Dimensions at widest points of each half approx. 70 & 75 mm x 50 mm x 40 mm thick. Weight of both is 460 grams. A late stage quartz vein crosscutting the nodule. From Boogardie Station near Mount Magnet, Western Australia.