[f. ALCYON-IUM + -ITE a formative of names of minerals and fossils.] A fossil zoophyte related to Alcyonium.
1822. J. Flint, Lett. fr. Amer., 261. The rocks contain millepores, favocites, alcyonites, corals.
1865. W. White, East. Eng., II. 174. Agates, carnelians, Alcyonites may be picked up by those who know how to look for them.