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Black Zirconium

Black Zirconium rings have a deep black surface, the only truly durable black finish that is permanent. Other black rings usually use a surface oxidation process that will wear off over time. Zirconium is a silver/grey color in its natural state, but when heated, it produces a hard, black oxide layer that creates the perfect look for use in jewelry. Zirconium alloys are also used in exotic commercial applications.