![]() ![]() ![]() ![]() Nitric acid is a dangerous chemical, so you should take every precaution when handling it. Wear gloves and goggles, and be sure the room is well-ventilated. There will be no reaction if the jewelry is either gold or mostly gold. Carefully apply a drop of nitric acid to the mark, and determine if the mark turns green or milky. Make a mark deep enough to scratch through the top layer of gold. Test With Nitric Acidįind a place on the jewelry where you can make a small scratch, perhaps under a clasp or on the inside of a ring. While this gold plating may be real, it is an insufficient amount of gold for the item to be considered true gold. That is, the jewelry is made of some other metal with a thin layer of gold on top. GP means it is gold plated, GF means it is gold filled, and GEP means it is gold electroplate. If the item of jewelry has the letters GP, GF, or GEP stamped on it, these indicate that it is not made of real gold. READ MORE: How to Get More Money when Selling Gold Look for a Letter Mark Also, if the jewelry is old, it might be real gold but the item was made before hallmarking became a consistent practice. It is possible the hallmark has worn away over time, which can happen if the item is in constant contact with skin. However, there are other possible explanations. If the hallmark is absent, this could mean the jewelry does not contain real gold. 000 and 1.000, with 1.000 being 100 percent gold - pure gold. In Europe, you should see a number between. This means a hallmark of 12K, or 12 karat, means that half the jewelry is gold. In the U.S., the hallmark number is a fraction of 24. Different locations use different measurements. This is a small stamp indicating the gold’s karat weight. The best way to tell if the gold you are purchasing is real is to look for a hallmark. ![]()
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