Polished Bauxite BAU130 chalcedony Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm  x 70 mm x 8 mm thick

Approximate dimensions at widest points 115 mm  x 185 mm  x 25 mm thick

An Australian Wyloo Amethyst crystal

Weighs 294 grams

Polished Bauxite BAU130 chalcedony Dimensions at widest points approximatelyBAU130. Bauxite (laterite) rough rock, cut and polished on one side. Dimensions at widest points approximately 140 mm x 90 mm x 65 mm thick. Weighs 1,206 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.