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Another method how to tell real gold is with a nitric acid test. If you are dealing with strictly scrap gold, you can use the nitric acid test to test if gold is real. Please note that it is not advisable to use this test on jewelry that you plan to keep or that has aesthetic value for resale.
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How can you tell if gold jewelry is real or fake?
Skin discoloration from wearing fake gold jewelry is not a myth. For this test, simply hold the gold in your hand for a few minutes. Perspiration on the skin creates a chemical reaction with the gold. Skin will discolor (a black or green color) if the gold isn鈥檛 real.
Does real gold discolor when wet?
In addition, real gold will not rust or discolor when wet. Skin discoloration from wearing fake gold jewelry is not a myth. For this test, simply hold the gold in your hand for a few minutes. Perspiration on the skin creates a chemical reaction with the gold.
How can you tell if a coin is made of gold?
Imitation gold and other alloys will attract the magnet. Coins can appear to be gold, when in fact the surface is simply gold in appearance. The magnet would reveal the underlying metal. A cup of water is all you need for another important test.
How do you test for genuine gold at home?
Genuine gold will stand up to your attempt to conduct a nitric acid test at home. Make a tiny mark on the piece of gold to penetrate the surface. Drop a small amount of liquid nitric acid on that scratch and wait for a chemical reaction.