The luster coating on these 6mm fire-polished alexandrite beads adds a silvery sheen to their sparkling facets. These remarkable beads change from light blue to violet under incandescent light and sunlight. Try them in your designs for an element of fun and for beautiful pastel color. Since these Czech glass beads are still made in small quantities by hand, there may be a slight color variation from one batch to the next. These beads come in a 50-piece pack. Feel free to browse for other fire-polished Czech glass beads.