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Definition of Psilomelane
1. Noun. A mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese.
Definition of Psilomelane
1. n. A hydrous oxide of manganese, occurring in smooth, botryoidal forms, and massive, and having an iron-black or steel-gray color.
Lexicographical Neighbors of Psilomelane
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