red copper
noun1
Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences red copper oxide; cuprite
2
pure copper, as opposed to an alloy (cf. yellow copper)
- Their popularity began to fade as soon as red copper daggers appeared on the scene.2004, Jean Guilaine, Jean Zammit, The Origins of War: Violence in Prehistory, John Wiley & Sons, →ISBN, page 173:
- He reports further that the natives had daggers of iron and sometimes of red copper; that the latter metal was common enough with them; ...1895, Bering Sea Tribunal of Arbitration, Fur Seal Arbitration: Proceedings of the Tribunal of Arbitration, Convened at Paris Under the Treaty Between the United States of America and Great Britain, Concluded at Washington February 29, 1892 for the Determination of Questions Between the Two Governments Concerning the Jurisdictional Rights of the United States in the Waters of Bering Sea, page 320:
1 more example
- Not only the red copper had been hammered, but also red copper articles such as small axes made by molding were found.1990, Mineral Deposits of China, →ISBN: