Polished Bauxite slab BAU122 Irregully formation Dimensions at widest points approximately

Dimensions at widest points approximately 220 mm x 120 mm x 20 mm thick

DOT102  Tumble polished Dendritic Opal

A domal stromatolite from the Proterozoic "Irregully Formation"

Weighs 434 grams

140 mm x 85 mm x 10

Polished Bauxite slab BAU122 Irregully formation 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.