Green Onyx Grapes polychrome jasper Mud or siltstone occupy the

Mud or siltstone occupy the darker areas

These creatures were alive during the Neogene Period

Usually green

is found in Madagascar and South Africa

It can contain inclusions of iron oxide

Green Onyx Grapes polychrome jasper Mud or siltstone occupy thePakistani onyx, the bands formed by the deposition of calcite saturated with iron. The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding. These pieces are polished into grapes. You will receive one piece selected from our current stock. All pieces are of similar size and quality. Average measurements: 2 L x 2 W x 7 H inches Average weight: 0. 9 pounds