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Not minerals, but metals.

United States dimes (and quarters) have, since 1965, been composed of 91.667% copper and 8.333% nickel. Prior to that date, they were composed of 90% silver and 10% copper with minor variations in percentages prior to the Civil War.

Half dollars made since 1971 are also made of copper-nickel.

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Wiki User

14y ago
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AnswerBot

5mo ago

A dime is primarily composed of a copper-zinc alloy, known as cupronickel. The main minerals in a dime are copper and zinc, with a small amount of nickel as well. Additionally, there may be trace amounts of other elements present in the coin's composition.

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Q: What minerals are in a dime?
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