Quartz is one of the most versatile semiprecious gemstones and comes in so many different colors and shades. Amethyst, citrine, agate, rutilated quartz, tigerís eye, onyx & rose quartz are some of the more popular varieties used in jewelry. In this category you will find several different varieties of quartz earrings, necklaces, bracelets & pendants (amethyst & onyx jewelry are listed in their individual categories). No gemstone is more creatively striped by nature than agate, chalcedony quartz that forms in concentric layers in a wide variety of colors and textures. Each individual agate forms by filling a cavity in the host rock. Youíll love our broad selection of handmade beaded quartz and agate jewelry in a wide variety of interesting and unique styles.