Polished Pilbara Agate PA285 cla rough rock cut and polished

rough rock cut and polished on one side with a rough

DO213  Dendritic Opal rough rock

Weight is 159 grams

GRN81  Green Opal & Magnesite rough rock

Dimensions at widest points approximately 110 mm x 90 mm x 10

Polished Pilbara Agate PA285 cla rough rock cut and polishedPA285 Pilbara Agate , cut and polished on one side with a rough, natural back. Dimensions at widest points are approximately 130 mm x 100 mm x 70 mm. thick. Weighs 1,241 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.