Polished Bauxite BAU133 black jasper conglomerate Light blue mineral is Cleavelandite

Light blue mineral is Cleavelandite

Weighs 779 grams

DOT103  Tumble polished Dendritic Opal

Dimensions at widest points approximately 120 mm x 90 mm x 80 mm thick

Weighs 510 grams

Polished Bauxite BAU133 black jasper conglomerate Light blue mineral is CleavelanditeBAU133. Bauxite (laterite) rough rock, cut and polished on one side. Dimensions at widest points approximately 190 mm x 95 mm x 50 mm thick. Weighs 1,342 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.