Polished Bauxite slab BAU122 chalcedony Dimensions at widest points approximately

Dimensions at widest points approximately 105 mm x 80 mm x 6 mm thick

Polished on one side with a rough natural back and a cut base to stand on

Dimensions at widest points approximately 120 mm x 75 mm x 80 mm thick

MN114  Magneprase slab

Polished Bauxite slab BAU122 chalcedony Dimensions at widest points approximatelyBAU122. Bauxite (laterite) slab, cut and polished on one side. Dimensions at widest points approximately 120 mm x 100 mm x 14 mm thick. Weighs 366 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.