Polished Convoluted Jasper slab CJ105 Kumarina CO123 DeGrussa copper ore slab

CO123  DeGrussa copper ore slab

Dimensions approximately 100 mm x 50 mm x 11 mm thick

75 mm x 70 mm x 37 mm thick

north of Newman in the Pilbara region of Western Australia

MK406   Mookaite cut and polished on one side with a rough natural back

Polished Convoluted Jasper slab CJ105 Kumarina CO123 DeGrussa copper ore slabCJ105. 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