Rondell beads are among the top three most common bead types in jewelry creation. The rondell form works particularly well as a spacer bead. Rondell beads, like any other type of bead, come in a range of shapes and sizes. They're great for making bracelets, necklaces, and other jewelry. Each bead is smooth and fashioned from natural gemstones in a rondell form. Corrugation is the process of a material compressing into a sequence of wrinkles or opposing ridges and grooves. Although the rondell corrugated beads have a rough edge, when strung together, they appear stunning.