Polished Convoluted Jasper slab CJ105 chrysoprase NJ434 A rough rock

NJ434  A rough rock

Dimensions at widest points approximately 130 mm x 100 mm x 70 mm thick

part of the Early Paleoproterozoic Woongarra Rhyolite (~2

90 mm x 40 mm  x 20 mm

Polished Convoluted Jasper slab CJ105 chrysoprase NJ434 A rough rockCJ105. Convoluted Jasper slab, polished on one side. Dimensions at widest points approximately 155 mm x 60 mm x 10. 5 mm thick Weighs 283 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