Polished Bauxite slab BAU124 purple lepidolite Dimensions at widest points approximately

Dimensions at widest points approximately 190 mm x 160 mm x 37 mm thick

Dimensions at widest points approximately 100 mm x 85 mm x 8 mm thick

DOT101  Tumble polished Dendritic Opal

Weighs 347 grams

NJ430 Noreena Jasper Rock Block

Polished Bauxite slab BAU124 purple lepidolite Dimensions at widest points approximatelyBAU124. Bauxite (laterite) slab, cut and polished on one side. Dimensions at widest points approximately 90 mm x 70 mm x 11 mm thick. Weighs 149 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.