释义 |
born·ite \ˈbȯrˌnīt, usu -īd.+V\ noun (-s) Etymology: German bornit, from Ignaz von Born died 1791 Austrian mineralogist + German -it -ite : a valuable brittle metallic-looking sulfide of copper and iron Cu5FeS4 usually brownish on fresh fracture (hardness 3, specific gravity 4.9-5.4) — called also erubescite, horseflesh ore, purple copper ore • born·it·ic \(ˈ)bȯr|nid.ik\ adjective |