Onyx: The Black Chalcedony Gemstone
There’s a black gemstone that’s popular in jewelry designs. Go ahead, see what’s black in your jewelry box. No doubt you’ll find onyx, the beautiful black beauty of gemstones. The chalcedony family Onyx is a member of the chalcedony family of gemstones. Chalcedony comes in a great variety of colors. Whatever the color, chalcedony in ...