Purple Chalcedony PU151 Marra Mamba Dimensions at widest points approximately

Dimensions at widest points approximately 130 mm x 85 mm x 10 mm thick

It probably grew in shallow water conditions with intermittent subaerial exposure

A bulk assortment from various Australian locations

(A single nodule cut in half)

AZ140 Azurite sun mineral specimen

Purple Chalcedony PU151 Marra Mamba Dimensions at widest points approximatelyPU151 Purple Chalcedony rough rock, cut and polished on one side with a cut base to stand on. Sides and rear have a natural rough exterior ! Dimensions at widest points approx. 220 mm x 140 mm x 95 mm thick. Weighs 5,380 grams. From near Norseman in the Eastern Goldfields region of Western Australia.