Stone Chip Necklaces are approximately between 16" to 18". The drop-down box has a variety of necklace stones: Amethyst, Cherry Quartz, Emerald, Labradorite, Lapis Lazuli, Malachite, Mother of Pearl, Multi-Colored Moonstone, Obsidian Peridot, Picture Jasper, Quartz Crystal, Red Tiger Eye, Rutilated Quartz, Snowflake Obsidian, and Stabilized Turquoise. You can click on the pictures to enlarge them!