Polished Bauxite BAU130 polished crazy lace DOT101 Tumble polished Dendritic Opal

DOT101  Tumble polished Dendritic Opal

Dimensions at widest points approximately 150 mm x 120 mm x 10 mm thick

Half of a complete nodule

Weighs 173 grams

OJ181  A rough rock

Polished Bauxite BAU130 polished crazy lace DOT101 Tumble polished Dendritic OpalBAU130. 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.