"Pyrolusite" is a word in ENGLISH
pyrolusite
ENGLISH
Definition:
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).
Few words of positivity
Only through sacrifice can Genesis survive.
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Laugh your heart out.
Why did the goal post get angry?Because the bar was rattled!
manganite
ENGLISH
A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid.
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ENGLISH
Manganese dioxide, occurring in tetragonal crystals nearly as hard as quartz.
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ENGLISH
A process for the recovery or regeneration of manganese dioxide in the manufacture of chlorine, by means of milk of …
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