In jewellery according to the trend, colors give the impression of being crisper in opposition to a backdrop of black, and black and white forever seems right. In excellent jewellery, the black background is frequently abounding by onyx, black chalcedony quartz with a superior consistency. Some onyx also shows white bands or ribbons aligned with a black backdrop. If the layers are smooth, this sort of onyx can be imprinted into cameos.
Onyx was extremely accepted with the antique Greeks and Romans. The name rises from the Greek declaration 'onyx', which spells nail or claw. The story is to facilitate the frolicsome Cupid cut the heavenly fingernails of Venus with an arrowhead one day while she was quiescent. He left the trimmings sprinkled on the rub down and the fates bowed them into stone so that not a fraction of the divine body would ever expire. True, black isn't generally the color one acquaintances with fingernails. But in Greek era, roughly all the colors of chalcedony from fingernail white to dark brown and black were named onyx. Soon after, the Romans tapered the expression to pass on to black and dark brown colors merely.
Black onyx shines particularly fine when used as a backdrop for color play. Its excellent texture also makes it perfect for carving, making it a favored substance for today's lapidaries. In the brooch by designer Susan Helmich exceeding, a carved portion of onyx with threads of white serves a dazzling background for a flash of color.
USES
Onyx marble has excellent uses. Some of them are mentioned below:
Onyx marble is used often as a fireplace surround,bar top, or as a small island as it transmits light.
It is used as cabochons and also for building material. Careful study is required when using onyx marble at residential area.
Further uses include wall cladding, light duty home floors, sinks base, and tables. Onyx could be used for novelty items such as vases, urns, wine goblets, lamps and bowls.