Onyx

Onyx is the black gemstone, which is extremely popular among jewellery makers thanks to it brilliant color. As every woman knows, in jewellery designs, the shine and brilliance of other stones increases manifolds against the back drop of black and the black color of Onyx is the perfect stone for it. Onyx is black chalcedony quartz. Some onyxes are completely black in color while others have white colored bands on them.