bn:27270412n
Noun Concept
Categories: Precious metal alloys, Gold
EN
colored gold  black gold  blue gold  coloured gold  gold alloy
EN
Colored gold is the name given to any gold that has been treated using techniques to change its natural color. Wikipedia
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EN
Colored gold is the name given to any gold that has been treated using techniques to change its natural color. Wikipedia
Various colours of gold obtained by alloying gold with other elements Wikidata