A gold bangle bracelet is usually composed of 14 carat gold. 14 carat gold means there is about 58.5 percent gold in the bracelet. This ensures that it is hard and durable and more prone to wear so much as if it was pure gold. Usually the rest is silver, bronze, zinc and sometimes copper.
14 carat gold is also the standard for industrial use of gold in such things as pen nibs and bushes on electrical instruments etc.
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