Orichalcum

A yellow bronze, an alloy of copper and zinc, resembling gold when new. Its name comes from two Greek words: oros meaning mountain, and chalkos, brass. The Romans made two coins made of orichalcum: the sestertius and the dupondius.Also see numismatics.<br><br>A yellow bronze, an alloy of copper and zinc, resembling gold when new. Its name comes from two Greek words: oros meaning mountain, and chalkos, brass. The Romans made two coins made of orichalcum: the sestertius and the dupondius.Also see numismatics.