Polished Pilbara Agate PA284 rock blocks The environment they grew in

The environment they grew in was most probably a sandy tidal flat or braided river channel

Dimensions at widest points approximately 170 mm x 70 mm x 70 mm thick

near Rockhampton in Queensland

Super rare

Polished Pilbara Agate PA284 rock blocks The environment they grew inPA284 Pilbara Agate , cut and polished on one side with a rough, natural back. Dimensions at widest points are approximately 120 mm x 70 mm x 45 mm. thick. Weighs 617 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.