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What is it that makes rose gold more reddish in colour?

April 26, 2017colour gold reddish Rose

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What is it that makes rose gold more reddish in colour?

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Rose gold contains more copper than yellow gold, and less silver. For some alloys there may be adjustments in the balance of zinc too, but that is a very small part. Rose gold tends to tarnish more than yellow gold because of the tendency of copper to show up strongly as a black oxide ( for e.g.