To tell if the jewelry 24K gold, you should first and foremost, test it. Let's see what usually works in gold purity testing (and what does not).
First of all, What is Pure Gold?
The meaning of the word "gold" varies. It is used to indicate the chemical element itself (its symbol: Au) and as well objects (often jewelry) that contain some gold. The purity of gold is neither in karats or fineness. The highest possible purity is 24 karats, this means that all 24 parts in the gold are pure gold without traces of any other metals, while 12 karats gold is 50 percent pure gold.
24 karat gold has the intense warm yellow color, it cannot be changed without changing the purity to less than 24k. It is also very soft and compliant.
Is My Gold Jewelry Made of Pure Gold?
As mentioned before, pure gold is soft. Because of the softness, it is rarely used for making jewelry. 24K pieces bend so easily, and this is the reason why the pure gold is not the best choice for jewelry that will be worn as adornment. The material that is used to make jewelry is a gold alloy - it is a mixture of pure gold and other materials, which are added in to make the alloy harder.
Gold Purity Testing
1. Inspect the piece for special markings. Pure gold jewelry usually comes with marking stamped on it.
2. Inspect the piece for noticeable discoloration. If the gold piece is showing a different colored metal beneath it, you probably have a piece that is only gold plated.
3. Biting down on a gold piece is said to be a good indicator of whether it is real, as gold is a very soft metal, but you may risk putting a permanent dent in your piece! Only do this if you are planning to have your gold melted down.
4. Magnet test. Hold a magnet up to the gold piece. Gold is not a magnetic metal, so if the piece pulls towards, or sticks to the magnet, it is not real gold.
5. The safest way to test if you are unsure, is the acid test. You can have your jewelry tested for purity at most jewelry stores.
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