Ammonites (Madagascar) with black calcification sawn in half.
PUFO426
Ammonite Cleoniceras from Madagascar. It dates back to the Jurassic, about 130 million years ago. It is sawn in half to admire its completely crystallized iinside chambers. The beautiful black calcification that lightly lined the chambers, but leaving the heart empty, produces a hypnotic pattern. sold complete, as a pair.
This unique piece has been sold...
