May 14, 2004, Newsletter Issue #110: Black And Green Marks Left By Gold Jewelry

Tip of the Week

Most yellow gold alloys are rich in copper, a metal that often reacts with the acid content of your skin. The reaction leaves a dingy oxide behind, and does not help show off that beautiful ring. Often simply adjusting your diet to reduce the amount of acidic fruits or coffee will help, but sometimes further measures are needed. Your jeweler can put a rhodium plating on the inside of your ring to reduce contact with the copper in the gold, or for a quick fix, try clear nail polish on the inside of the ring shank.

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