Green Onyx Grapes chrysoprase The shimmering effect is caused

The shimmering effect is caused by aggregate pockets of incredibly shiny flakes of Hematite as well as minor traces of Mica

They are close relatives of sea urchins and heart urchins

or basalt) is compressed

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

and aluminosilicates

Green Onyx Grapes chrysoprase The shimmering effect is causedPakistani 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