Polished Bauxite BAU136 #google Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm  x 65 mm x 50  mm thick

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

BJ139  Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Fossil stromatolite slab

Approximate weight of each piece is between 12 and 42 grams

Polished Bauxite BAU136 #google Dimensions at widest points approximatelyBAU136. Bauxite (laterite) rough rock, cut and polished on one side. Dimensions at widest points approximately 100 mm x 80 mm x 40 mm thick. Weighs 528 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.