You'll love the unique effect these 10mm alexandrite beads add to your designs. These transparent Czech glass beads change in color from a light blue to a violet under incandescent light and sunlight. Their color-changing properties are paired with sparkling facets for a winning combination. Try these beads with silver or gold components. Since they are still made in small quantities by hand, there may be slight color variation from one batch to the next. These beads come in a 20-piece pack. Feel free to browse for other fire-polished Czech glass beads.