Banded Onyx is a variety of chalcedony, a micro-crystalline quartz, silicon dioxide that exhibits straight, parallel banding. The colour of the bands range from and include a mixture of white, black, brown, orange, red, yellow and green depending on the mineral inclusion. Has a trade name of Afghanistan Jade.
You will be buying 6 pieces of Banded Onyx ranging from 6.9cm to 12.5cm as a bulk bundle weighing 569g at $68.28 (average $13.66 each).