64.33 ct Clam Shell Opalized Fossil popular Rough Gem Rough

Hand select stones. The photos show the stones you will receive. If graph paper is shown, it is 1/4"

A rare opalized fossil clamshell from Australia A rare opalized fossil clam from Australia that formed during the cretaceous period (about 100 million years ago.) Banged up, but bits of fire showing. Great collector's piece!

Family: Opal
Variety: Clam Shell
Size: 32 x 27 x 20mm
Treatment: none popular known
Origin: Coober Pedy, South Australia
Carats: 64.33