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Definition of Pyrolusite
1. Noun. A mineral consisting of manganese dioxide; an important source of manganese.
Definition of Pyrolusite
1. 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).
Definition of Pyrolusite
1. Noun. (minerology) A dark coloured mineral, consisting of manganese dioxide (MnO2), that is an important ore of manganese. ¹
¹ Source: wiktionary.com
Definition of Pyrolusite
1. [n -S]
Lexicographical Neighbors of Pyrolusite
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