Polished Bauxite BAU129 polished magneprase Dimensions at widest points approximately

Dimensions at widest points approximately 145 mm x 125 mm x 16 mm thick

BA114  Polished Brazilian Agate slab

Not formally identified but possibly Paniscollenia

Dimensions at widest points approximately 200 mm x 95 mm x 95 mm thick

Dimensions at widest points approximately 190 mm x 120 mm x 60 mm thick

Polished Bauxite BAU129 polished magneprase Dimensions at widest points approximatelyBAU129. Bauxite (laterite) rough rock, cut and polished on one side. Dimensions at widest points approximately 145 mm x 125 mm x 40 mm thick. Weighs 1,033 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.