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Skin discoloration: gold turns my skin black

Why does gold turn my skin black?

Rosalie D. Bahr
Consumer - Englewood, Kansas, United States
2004

Some excellent information on this problem can be found on line www.jewelrygenius.com/tarnish.html and www.gold.org/jewellery/technology/caratage/tarnishing.html

Jim Sivertsen
Refining & Alloys - Alden, N.Y., U.S.A.
2004

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