Extra large hammered sterling silver bracelet by Navajo artist Johnson Nez. Measuring 2" in width and a inside measurement of 5-1/2" and a 1-1/4" opening. Beautiful details in the hammered silver work make this piece sparkle. Large cuff bracelet with hammered silver by Navajo artist Johnson Nez Sterling silver Is an alloy of silver containing 92.5% by weight of silver and 7.5% by weight of other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. SILVER, for example 99.9% pure silver, is relatively soft, so silver is usually alloyed with copper to increase its hardness and strength. Sterling silver is prone to tarnishing, and elements other than copper can be used in alloys to reduce tarnishing, as well as casting porosity and fire scale. Such elements include germanium, zinc, platinum, silicon, and boron. Recent examples of alloys using these metals include argentium, sterlium, sterilite and silvadium.