psilomelane

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English[edit]

Etymology[edit]

from Gr. ψιλός (naked,smooth) and μέλας (black)

Noun[edit]

psilomelane (usually uncountable, plural psilomelanes)

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  1. Any hard, black hydrous manganese oxide with variable amounts of barium and potassium.

Translations[edit]

Further reading[edit]