green gold

Noun
  1. A gold alloy (at least 14 karat gold with silver or silver and cadmium) that has a green appearance (synset 114915576)
    is a type of: atomic number 79, au, gold - a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia

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