Hepatizon

• abstract: Hepatizon (Greek etymology: , English translation: "liver"), also known as Black Corinthian Bronze, was a highly valuable metal alloy in classical antiquity. It is thought to be an alloy of copper with the addition of a small proportion of gold and silver (perhaps as little as 8% of each), mixed and treated to produce a material with a dark purplish patina, similar to the colour of liver.

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