New vintage grey green stone teardrop pendant (flat back)

New vintage grey green stone teardrop pendant (flat back) Quick list Measurements to follow Cold stone with grey-green-black matrix and khaki and white striping/inclusions. It is cold, heavy with a matte, roughly smooth texture that reminds me of rocks and clay. If it was available then, it could be a type of polymer clay. Except it is really heavy! Great weight and plump teardrop or “pear “ shape. New vintage c. 1970s. Goldtone metal bail/cap. No hallmarks. Made in Korea. Group photo shows the variety in the collection.