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Pyrolusite   Listen
noun
Pyrolusite  n.  (Min.) 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).






Collaborative International Dictionary of English 0.48








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Words linked to "Pyrolusite" :   mineral, atomic number 25, mn, manganese



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