Tushar Gems manufactures Polished Onyx Stone. Tushar Gems supplies a wide range of synthetic stones, synthetic diamonds, precious stones, semiprecious stones and precious beads. The Polished Onyx Stone is a cryptocrystalline form of quartz. The Polished Onyx Stone is used in fashionable jewellery where the stones are either in black or white colour.In fine jewellery, the black backdrop is often supplied by onyx, black chalcedony quartz with a fine texture. Some onyx also displays white bands or ribbons against a black background. If the layers are even, this type of onyx can be carved into cameos.
