Polished fossil stromatolite. Domal from Irregully formation IRR134 purple chalcedony Bauxite is the main raw

Bauxite is the main raw material used in the commercial production of aluminium

Dimensions at widest points approx

grinding or polishing as the matrix holding the pisolites (small round pebbles) is in many cases quite soft

also known as Ashburton Agate

It was collected many years ago from a large open cut gold mine at Reedys near Cue in Western Australia

Polished fossil stromatolite. Domal from Irregully formation IRR134 purple chalcedony Bauxite is the main rawIRR 134 Fossil stromatolite rough rock, cut and polished on one side. Natural rough back ! Not formally identified but possibly Paniscollenia. Dimensions at widest points approximately 220 mm x175 mm x 50 mm thick. It weighs 3,262 grams..