eucairite
Eu*cai"rite, n. Etym: [Gr. (Min.) Defn: A metallic mineral, a selenide of copper and silver; -- so called by Berzelius on account of its being found soon after the discovery of the metal selenium.
Eu*cai"rite, n. Etym: [Gr. (Min.) Defn: A metallic mineral, a selenide of copper and silver; -- so called by Berzelius on account of its being found soon after the discovery of the metal selenium.