Iolite, also known as cordierite, comes from the Greek word for violet. This versatile gemstone is known for its varying shades of blue to blue-violet and even gray. Iolite beads are available at FusionBeads.com in a range of shapes. All gemstone beads at FusionBeads.com are graded AB. Learn all about gemstones in our Gemstone Q and A. Learn all about gemstones in our Bead Glossary and Gemstone Q and A.