This stunning glass beaded and mermaid glass necklace is delicately made with specialty metal-coated quartz crystal beads (aka mermaid glass) and specialty glass beads. The center pendant is a one of a kind Finfolk and Kariel seashell that has been finished with rhinestones. The clasp is sterling silver, metal stamped 925. Necklace length: 21” Necklace material: Strong Micro Nylon Cord, metal-coated quartz, specialty glass beads, Mermaid Kariel and Finfolk shell, rhinestones. Clasp: Sterling Silver 925 Metal-coated crystals are natural crystals, such as quartz, whose surface has been coated with metal to give them an iridescent metallic sheen.