trichite

Noun

trich=ite

CIDE DICTIONARY

trichite, n. [Gr. , , hair.].

A kind of crystallite resembling a bunch of hairs, common in obsidian. See Illust. of Crystallite. [1913 Webster]
A delicate, hairlike siliceous spicule, found in certain sponges. [1913 Webster]

Trichite sheaf (Zoöl.), one of the small sheaflike fascicles of slender setæ characteristic of certain sponges. See Illust. under Spicule.