eucairite [
'ju:keirait]
[化] 硒铜银矿
Eucairite \Eu*cai"rite\, n. [Gr. ? seasonable, opportune; e'y^
well, good + ? season.] (Min.)
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.