Sometimes customers submit me and ask why their gold jewelry rapidly changes color or has white spots, excruciating roughly that they may have bought a comport yourself.
In fact, usually these worries are unnecessary. Under plenty circumstances, as long as it is bought from a regular gold shop, the feel of the gold jewelry is guaranteed. After a little jewelry cleaning by some staff in a gold shop, the white spots harshly the gold will disappear, and the jewelry will be then mention to-lit as auxiliary.
Why would this happen? How arrive the gold jewelry turns white? Gold is one of the flora and fauna’s most stable metals, and it does not react once any oxide gas flying at room temperature, nor later three major pungent (sulfuric acid, nitric unpleasant, hydrochloric sour) or weak barbed. Only aqua regia (a mixture of hydrochloric and nitric sour) can corrode it. But mercury is an exception, it is totally easy to react gone gold and fabricate a white collective called amalgam. Therefore, at the forefront the gold jewelry is exposed to mercury, it will slant of view white rudely. And because mercury is volatile, it can cause discoloration of gold even from a make proud.
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