Polished Pilbara Agate PA290 tube agate Dimensions at widest points approximately

Dimensions at widest points approximately 245 mm x 95 mm x 13 mm thick

190 mm x 100 mm x 90 mm thick

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

PRT110  Tumble polished Prehnite from Western Australia

Dimensions at widest points approximately 190 mm x 110 mm x 85 mm thick

Polished Pilbara Agate PA290 tube agate Dimensions at widest points approximatelyPA290 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.