37 Beautiful Bevels set with iridized Black; iridescent glass has a radiant jewel-like color, sparkles in Purple, Blues, and Reds etc. mesmerizing The idea of using Bevels is to bring the outdoors in through the glass. You will NOT see shapes clearly just splash of color. The slanted edges of the bevels refract light into a rainbow of colors both inside the glass, and onto your walls, floors and ceiling.