What is red gold?

Pure gold (24 carat) is naturally yellow and quite soft. To make it stronger, it is melted together with other metals. By using specific metals, the alloy takes on a white, yellow, red, or rose colour. If the alloy consists of 75% gold, 22.5% copper and 2.75% silver, we get red gold. If the quantity of silver is slightly higher or lower, then the colour tends more towards rose, or red.

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