Polished Pilbara Agate PA283 dendritic opal 150 mm x 115 mm

150 mm x 115 mm x 9

Dimensions at widest points approximately 245 mm x 200 mm x 13

Weight 522 grams

55 mm x 35 mm  x 35 mm

POP196   Brecciated Pink Opal rough rock

Polished Pilbara Agate PA283 dendritic opal 150 mm x 115 mmPA283 Pilbara Agate , cut and polished on one side with a rough, natural back. Dimensions at widest points are approximately 110 mm x 60 mm x 60 mm. thick. Weighs 629 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.