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Navajo Pearls are traditionally made sterling silver beads. Silver beads are a traditional art form for Diné silversmiths, and the beads have as many expressions as there are artisans. … Making the beads is a time-consuming process. Each bead begins with silver that has to be melted, rolled and cut.
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 of 925 purity.
Oxidized silver (black coloring in the silver) is a process that many jewelers use to give sterling silver a black patina. It gives the jewelry an antique or tarnished look. The process consists of taking clean sterling silver and using a chemical (liver of sulphur) to treat it to speed up the tarnishing effect.