Green Onyx is a variation Onyx stone. It has a very smooth texture, and a combination of the green and Onyx slide.
Green Onyx is a member of the Quartz has different colors and various properties and characteristics.
It comes from the Onyx stone and green shade, which is a kind of mineral that has a finer, more refined, and more organized structure.
It can usually be found in the USA, Brazil, and India.