Onyx Canoe Bowl, WhiteOnyx, believed to represent strength and willpower, is an astonishing natural material found within the depths of the Earth. Phillips Collections Brown Onyx Bowl represents these virtuous qualities to a tee through the intense organic curvature that makes each bowl a one of a kind work of natural art. Coming in brown or amber shades, splashes of color from the banding create a truly dazzling effect that will bring out the potential within your space.