Polished De Grussa copper ore slab CO107 outback jasper 5 mm thick at widest
Yard notes & kiln story
Description
Polished De Grussa copper ore slab CO107 outback jasper 5 mm thick at widest 5 mm thick at widest points It occurs in the Proterozoic Mount Bruce Supergroup which is part of the Fortescue Group with an age of approx