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The fineness is the mass content of the most precious metal of a piece of jewelery, device or a coin. It is expressed in parts per thousand, so in 1000 parts of the total weight.

Example Gold 750 contains 75% pure gold; this also corresponds to the traditional and still mainly common specification of 18 carat.

The numerical indication of the fineness is stamped in Germany since January 1, 1888.

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fineness.txt · Last modified: 11.10.2021 17:01 (external edit)

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