Polished Chert Breccia slab CB118 rock block AMU101 Amethyst geode from Artigas

AMU101   Amethyst geode from Artigas

80 mm x 65 mm x 45 mm

MN123  Magneprase rough rock

Dimensions at widest points approximately 200 mm x 50 mm x 10 mm thick

210 mm x 125 mm  x 17 mm

Polished Chert Breccia slab CB118 rock block AMU101 Amethyst geode from ArtigasCB118 Chert Breccia polished slab. Dimensions at widest points approximately 225 mm x 120 mm x 10 mm thick. Weighs 553 grams. This breccia consists of innumerable angular fragments of assorted rock types but predominantly jasper, quartz and chert. It occurs in the Pinyalling Hills which are located in the Midwest region of Western Australia, approximately 400 kms. north of Perth.