Definition of pyrolusite Pyrolusite

py•ro•lu•site

We found 5 definitions of pyrolusite from 5 different sources.

What does pyrolusite mean?

Plural: pyrolusites

pyrolusite - a mineral consisting of manganese dioxide; an important source of manganese

mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition

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pyrolusite (Noun)
A dark coloured mineral, consisting of manganese dioxide Mn O2, that is an important ore of manganese.

pyrolusite (n.)
Manganese dioxide, a mineral of an iron-black or dark steel-gray color and metallic luster, usually soft. Pyrolusite parts with its oxygen at a red heat, and is extensively used in discharging the brown and green tints of glass (whence its name).