Polished Pilbara Agate PA290 tube agate 225 mm x 200 mm

225 mm x 200 mm x 10  mm thick

190 mm x 100 mm x 90 mm thick

BJ123  Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

CO119  DeGrussa copper ore rough rock

DO228  Dendritic Opal rough rock

Polished Pilbara Agate PA290 tube agate 225 mm x 200 mmPA290 Pilbara Agate , cut and polished on one side with a rough, natural back. Dimensions at widest points are approximately 125 mm x 80 mm x 40 mm. thick. Weighs 823 grams. Studies have shown that these are probably the oldest agates in the world with an age in excess of 2 billion years. They occur in the Maddina Formation in the Pilbara region of Western Australia. From near Nullagine, Pilbara region, Western Australia.