Polished Convoluted Jasper slab CJ102 polished noreena Bauxite (laterite) rough rock

Bauxite (laterite)  rough rock

Dimensions at widest points approximately 145 mm x  125 mm x 40 mm thick

DO153 Dendritic Opal rough rock

130 mm x 90 mm x 8 mm

Dimensions at widest points approximately 140 mm x 70 mm x 8 mm thick

Polished Convoluted Jasper slab CJ102 polished noreena Bauxite (laterite) rough rockCJ102. Convoluted Jasper slab, polished on one side. Dimensions at widest points approximately 155 mm x 65 mm x 10. 5 mm thick Weighs 296 grams. Convoluted jasper comes from Turee Creek Station in the Pilbara region of Western Australia. The location is about 160 km west of the iron ore mining town of Newman. It occurs as outcrops and seams of jasper in a banded iron formation called "The Weeli Wooli Formation". The age of this formation is around