Polished Pilbara Agate PA285 polished snakeskin GRN90 Green Opal & Magnesite

GRN90  Green Opal & Magnesite slab

EU110  Eucryptite slab

BJ124 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Dimensions at widest points approximately 110 mm x 70 mm x 9 mm thick

Polished Pilbara Agate PA285 polished snakeskin GRN90 Green Opal & MagnesitePA285 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.