TRICHITE

Trich″ite (?), n. [] 1. 1. (Min.) A kind of crystallite resembling a bunch of hairs, common in obsidian. See Illust. of Crystallite.
2. 2. (Zoöl.) A delicate, hairlike siliceous spicule, found in certain sponges.
Trichite sheaf (Zoöl.), one of the small sheaflike fascicles of slender setæ characteristic of certain sponges. See Illust. under Spicule.