an opalescent variety of chrysoberyl
Origin of cymophanecymo- + -phane
A variety of chrysoberyl having a shimmering luster and microscopic, needlelike inclusions that reflect a streak of light.
Origin of cymophaneFrench : Greek k&umacron;ma, wave, cyma; see cyma + Greek -phan&emacron;s, appearing; see –phane.
(countable and uncountable, plural cymophanes)
From Ancient Greek κῡμ- (kūm-), the short stem of κῦμα (kūma, “wave”) + -ϕανης (-phanēs, “-showing”).