Polished Pilbara Agate PA285 cla Dimensions at widest points approximately

Dimensions at widest points approximately 160 mm  x 110 mm x 7 mm thick

GRN81  Green Opal & Magnesite rough rock

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

Weight is 159 grams

Dimensions at widest points approximately 115 mm x 75 mm x 40 mm thick

Polished Pilbara Agate PA285 cla Dimensions at widest points approximatelyPA285 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.