Psī-lŏm'e-lāne, n.
(sī-lŏm'e-lān), n. [From Gr. ψιλός, bare, and μέλας, μέλανος, black.] (Min.) An ore of manganese, occurring in smooth, botryoidal forms, and massive, and having a dark color nearly steel-gray.
(sī-lŏm'e-lān), n. [From Gr. ψιλός, bare, and μέλας, μέλανος, black.] (Min.) An ore of manganese, occurring in smooth, botryoidal forms, and massive, and having a dark color nearly steel-gray.