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15-Mar-2020 02:10

Therefore, to determine how much pure gold is in the product, and how much alloy, the term “hallmark” was invented.

Hallmark is Let’s look into each hallmark at the example of the karat system and watch for changes of characteristics of this precious metal depending on changes in gold alloy.

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Gold alloy contains admixtures added to pure gold in order to give some properties or characteristics to it.