Meaning Of The Word Pyrolusite

Real Dictionary

What's the definition of Pyrolusite? Find Pyrolusite meanings, definitions and more at the Real Dictionary online.

Pyrolusite Meaning

Pyrolusite Definition
Pyrolusite Definition

What's The Definition Of Pyrolusite?

pyrolusite in American English
a very soft, black, tetragonal mineral, MnO2, an ore of manganese used in making glass, paint, etc.; manganese dioxide
noun: a common mineral, manganese dioxide, MnO2, the principal ore of manganese, used in various manufactures, as a decolorizer of brown or green tints in glass, and as a depolarizer in dry-cell batteries

pyrolusite in British English
noun: a blackish fibrous or soft powdery mineral consisting of manganese dioxide in tetragonal crystalline form. It occurs in association with other manganese ores and is an important source of manganese. Formula: MnO2

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