MJ Purple Spiny Oyster Sterling Silver Ring – SquareThis MJ in house ring features a square purple spiny oyster stone set in sterling silver, with natural white areas from the shelland thats exactly what makes it special. Those white tones are not a flaw. Theyre a natural part of the spiny oyster shell, and they give each piece its own character. No two will ever look the same. Built on a thin adjustable band, its lightweight, comfortable, and an easy everyday piececute, affordable, and one of a kind.