Green Onyx Grapes polychrome jasper Polished Chrysoprase tower from India

Polished Chrysoprase tower from India

These creatures were alive during the Neogene Period

Mud or siltstone occupy the darker areas

The black color is often due to the presence of iron impurities within the crystal structure

Green Onyx Grapes polychrome jasper Polished Chrysoprase tower from IndiaPakistani 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