Polished Pilbara Agate PA286 atlantisite 170 mm x 160 mm

170 mm x 160 mm  x 15 mm thick

210 mm x 125 mm  x 17 mm

(thin slab)

CH444  Chrysoprase  slab polished  on one side

Dimensions at widest points approximately 110 mm x 80 mm x 50 mm thick

Polished Pilbara Agate PA286 atlantisite 170 mm x 160 mmPA286 Pilbara Agate , cut and polished on one side with a rough, natural back and a cut base to sit as a display specimen ! Dimensions at widest points are approximately 230 mm x 130 mm x 100 mm. thick. Weighs 4,401 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,