Robin Phillips Jewelry

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Etching

acid etched opal necklaceThe etching technique uses acid to corrode metal. A resist is applied to mask the areas that are not to be etched. For etching into sterling silver nitric acid is used.

The strength of the solution will determine how crisp the 'bite' into the metal is.

This is a technique that requires excellent ventilation and protective clothing as well as a respirator because the fumes are noxious.