Polished Bauxite BAU131 asperia Dimensions at widest points approximately

Dimensions at widest points approximately 80 mm x 50 mm x 28 mm thick

TIR138 Tiger Iron rough rock

Dimensions at widest points approximately 95 mm x 70 mm x 30 mm thick

Dimensions at widest points approximately 150 mm x 125 mm and 65 mm thick

765 million years Polymictic : a conglomerate which contains clasts (fragments) of many different rock types

Polished Bauxite BAU131 asperia Dimensions at widest points approximatelyBAU131. Bauxite (laterite) rough rock, cut and polished on one side. Dimensions at widest points approximately 110 mm x 90 mm x 45 mm thick. Weighs 490 grams. Bauxite is the main raw material used in the commercial production of aluminium. Large reserves of this stone occur in Western Australia. This specimen is from east of the Darling Ranges just outside the city of Perth.