Polished Bauxite slab BAU122 Irregully formation DOT102 Tumble polished Dendritic Opal

DOT102  Tumble polished Dendritic Opal

Conophyton garganicum australe from the Mesoproterozoic "Top Camp Formation"

Weighs 309 grams

Dimensions at widest points approximately 110 mm x 75 mm x 40 mm thick

Polished Bauxite slab BAU122 Irregully formation DOT102 Tumble polished Dendritic OpalBAU122. 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.