Turn your jewelry into one-of-a-kind wonders with the Indian red aventurine 16mm square beads. Aventurine is known as the stone of chance or luck. It is a quartzite usually containing mica. These square-shaped beads are full of modern flair. Use them anywhere a contemporary touch is needed. Gemstone beads are the perfect way to add natural beauty to your jewelry designs. Since gemstones are formed naturally, each bead is a unique treasure. These gorgeous gemstone beads are available by the strand, so you'll have plenty to work with.