Turquoise Spiny Ring Sterling Silver 925 Multi-Gemstones (Choose Style) 925 Sterling Silver (Solid) Genuine gemstones, inlcuding Turquoise, Spiny Oyster, Mother of Pearl (our turquoise is natural turquoise that has been stabilized, treated, color-enhanced, and/or infused with copper matrix). Color/shades/matrix will vary--sometimes dramatically. See ruler image for size/dimensions Premium Quality | Imported Turquoise Network: Fine jewelry at UNBELIEVABLE low prices! Accredited member of the Better Business Bureau (A+ Rated)