Fossil Mammoth Tooth Rectangle RingEach classic style prehistoric mammoth tooth ring features a naturally patterned rectangle and rhodium plated sterling silver. Every ring is a one of a kind due to the natural patterns and unique natural and treated colors of our mammoth tooth. Listing is for one ring. Colors and patterns vary and may be different from photographed rings. Natural tones may include brown, tan, white, gray and black. Treated tones may include blue, green or red. Email