10mm crystal pearls Gemcolors. #5810 Swarovski Lapis-shaded beads. These beads have a genuine Swarovski crystal core with a synthetic lapis pearl coating. There are 50 pearl beads per 20 inch strand. Pre-strung on color-coordinated cord (long enough to knot between beads without restringing). These crystal pearls were designed to match natural gemstone colors found in nature. More durable than genuine pearls. Questions? Call our friendly sales staff at 1-800-366-2156, or email us.