Green Onyx Grapes chrysoprase They are close relatives of

They are close relatives of sea urchins and heart urchins

This specimen is polished on both sides

The orange color is likely due to impurities such as iron

75 W x 1 H inches

Opalite is a man-made from glass and natural additives such as dolomite

Green Onyx Grapes chrysoprase They are close relatives ofPakistani 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