Polished Bauxite BAU126 Kumarina Very rare fossil stromatolite slab

Very rare fossil stromatolite slab

Dimensions at widest points approximately 130 mm x  110 mm x 27 mm thick

DOT105  Tumble polished Dendritic Opal

Geologically interesting with a cross-cutting quartz vein

CLA258   Australian Crazy Lace Agate slab

Polished Bauxite BAU126 Kumarina Very rare fossil stromatolite slabBAU126. Bauxite (laterite) rough rock, cut and polished on one side. Dimensions at widest points approximately 110 mm x 80 mm x 30 mm thick. Weighs 510 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.