For sale is a “Dinosaur vertebrae” this is the local name from these fascinating thunderegg hearts found on Mt Jerusalem, NSW. Over thousand of years the original thunderegg’s have weathered away, leaving the much harder chalcedony thunderegg hearts. The specimen, is a pleasing translucent mauve color, it is solid chalcedony. The area these where found in has now been a National Park from more than twenty years.
MOUNT JERSUSALEM, NORTHERN RIVERS, NSW.
46 X 43 X 34MM.