Polished Pilbara Agate PA288 cla Dimensions approximately 90 mm x

Dimensions approximately 90 mm x 80 mm x 75 mm thick

POR172  Rough pink opal pieces suitable for cabbing

CW122   Chinese Writing Stone rough rock

Approximate dimensions at widest points 75 mm  x 60 mm  x 35 mm thick

The pink and red colouration can be attributed to the presence of finely disseminated iron oxides

Polished Pilbara Agate PA288 cla Dimensions approximately 90 mm xPA288 Pilbara Agate , cut and polished on one side with a cut back and a cut base to stand as a display specimen ! Dimensions at widest points are approximately 235 mm x 130 mm x 45 mm. thick. Weighs 3,082 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