Sterling silver .Stones: variety of natural turquoises- Royston, sleeping beauty, Kingman, pilot mountain, kings manasa, golden hills, Sonoran gold, Fox, turquoise mountain, Tyrone, Carico Lake and many more.Natural Mediterranean coral, spiney oyster, lapis, sugilite, Charoite, amethyst, topaz, peridot, garnet, Rhodacrosite, mother of pearl, abalone shell, jet, serpentine, and many others.