What is a metallic substance, resembling gold in color, but inferior in value; a mixed metal of the ancients, resembling brass; -- called also aurichalcum, orichalcum, etc called?

orichalch — A metallic substance, resembling gold in color, but inferior in value; a mixed metal of the ancients, resembling brass; -- called also aurichalcum, orichalcum, etc. (Webster's 1913.)

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