Opal, labradorite, roman glass, blue moonstone, turquoise, brass, neon apatite, chrysocolla, and one ruby Adjustable 16-18" All natural stones slight variations in color will occur Handmade in CT Riverstone Jewelry Handmade Multicolor Chrysocolla Necklace, Ocean Necklace, Roman Glass, Blue Moonstone, Moonstone, Labradorite, All Natural, Natural Stones, Ruby