"Pyrolusite" is a word in ENGLISH
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).
Emotion often outwits intelligence, while intuition renders life surprisingly fluent and enjoyable. ("Le ciel c'est l'autre")
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A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid.
Read the complete definitionManganese dioxide, occurring in tetragonal crystals nearly as hard as quartz.
Read the complete definitionA process for the recovery or regeneration of manganese dioxide in the manufacture of chlorine, by means of milk of …
Read the complete definition