Crossword-Solution: PYROLUSITE
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| 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). |
We have 1 clue for the answer “PYROLUSITE”
| Clue | Answers |
|---|---|
| native manganese dioxide, a black or dark-grey tetragonal mineral with a metallic lustre | 1 answer |
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One’s able to vote
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Hint 1 meaning
One who elects, or has the right of choice; a person who
is entitled to take part in an election, or to give his vote in favor
of a candidate for office.
Hint 2 anagram
CRLTOEE
Hint 3 another clue
A BALLOT CAST BY A VOTER WHO VOTES FOR ALL THE CANDIDATES OF ONE PARTY
11 +1
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Sentences with PYROLUSITE (5)
The binoxide, or peroxide, is the black manganese of commerce, and the pyrolusite of mineralogists, and is by far the most abundant of the manganese ores.
The same pyrolusite (binoxide of manganese) cylinder used with the same thin rod of zinc will precipitate 75 per cent.
Their method consisted of reducing the pure pyrolusite in large plumbago crucibles, in the presence of carbon and an extra basic flux; the operation was carried on in a strong coke fire, and at the end of about six hours the _crude manganese_ is poured out, having the following composition: Manganese 90 to 92 Carbon 6 to 6.5 Iron 0.5 to 1.5 Silicon 0.5 to 1.2 By refining, the manganese can be brought up to 94 to 95 per cent.
Manganese occurs mainly as black oxide (MnO_{2}) in the mineral pyrolusite; and, in a less pure form, in psilomelane and wad.
The periodic process depends on the interaction between manganese dioxide (pyrolusite), sulphuric acid, and a bromide, and the operation is carried out in sandstone stills heated to 60° C., the product being condensed as in the continuous process.