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A mineral consisting of hydrated basic oxide of manganese and barium
Answer for the clue "A mineral consisting of hydrated basic oxide of manganese and barium ", 11 letters:
psilomelane
Alternative clues for the word psilomelane
Word definitions for psilomelane in dictionaries
WordNet
Word definitions in WordNet
n. a mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Psilomelane \Psi*lom"e*lane\, n. [Gr. ? bare + ?, ?, black.] (Min.) A hydrous oxide of manganese, occurring in smooth, botryoidal forms, and massive, and having an iron-black or steel-gray color.
Wikipedia
Word definitions in Wikipedia
Psilomelane is a group name for hard black manganese oxides including hollandite and romanechite . Psilomelane consists of hydrous manganese oxide with variable amounts of barium and potassium . Psilomelane is erroneously, and uncommonly, known as black ...
Wiktionary
Word definitions in Wiktionary
n. Any hard, black hydrous manganese oxide with variable amounts of barium and potassium.