Crossword-Solution: MELACONITE
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Melaconite | n. | An earthy black oxide of copper, arising from the decomposition of other ores. |
We have 1 clue for the answer “MELACONITE”
| Clue | Answers |
|---|---|
| an earthy black oxide of copper, arising from the decomposition of other ores | 1 answer |
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Dermatological complaint
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Hint 1 meaning
An inflammatory disease of the skin, characterized by the
presence of redness and itching, an eruption of small vesicles, and the
discharge of a watery exudation, which often dries up, leaving the skin
covered with crusts; -- called also tetter, milk crust, and salt rheum.
Hint 2 anagram
ZCEEMA
Hint 3 another clue
eruption
9 +1
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Sentences with MELACONITE (5)
Melaconite (q.v.) was formerly largely worked in the Lake Superior region, and is abundant in some of the mines of Tennessee and the Mississippi valley.
Cupric oxide, CuO, occurs in nature as the mineral melaconite (q.v.), and can be obtained as a hygroscopic black powder by the gentle ignition of copper nitrate, carbonate or hydroxide; also by heating the hydroxide.
Copper-glance readily alters to other minerals, such as malachite, covellite, melaconite and chalcopyrite.
Haidinger in 1845; earlier names are red copper ore and ruby copper, which at once distinguish this mineral from the other native copper oxide--cupric oxide--known as black copper ore or melaconite.
The deposits were at first very promising, as they consisted largely of very rich melaconite ore; this was however, quickly worked out, the ordinary heavy chalcopyrite with 2·5 per cent.