Emily Dickinson Lexicon

BAR'O-LITE, n. [Gr. βαρος, weight, and λιθος, a stone.]

Carbonate of baryta. Its color is usually a light yellowish gray; sometimes whitish, or with a tinge of green. It is strongly translucent. It usually occurs in small masses, which have a fibrous structure; sometimes in distinct crystals. This mineral is called also Witherite, from Dr. Withering, the discoverer. – Cleaveland. Kirwan. Ure.