1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Greenland spar 7) Inorganic insecticide 8) Jewel mineral 9) Jewel 10) Mineral 11) Mineral gemstone 12) Mineral jewel 13) Monoclinic mineral 14) Polished jewel 15) Polished mineral 16) Precious gemstone 17) Precious gem
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https://www.crosswordclues.com/clue/cryolite
Cryolite (Na3AlF6, sodium hexafluoroaluminate) is an uncommon mineral identified with the once large deposit at Ivigtût on the west coast of Greenland, depleted by 1987. It was historically used as an ore of aluminium and later in the electrolytic processing of the aluminium-rich oxide ore bauxite (itself a combination of aluminium oxide minerals...
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http://en.wikipedia.org/wiki/Cryolite
• (n.) A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina.
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http://thinkexist.com/dictionary/meaning/cryolite/
colourless to white halide mineral, sodium aluminum fluoride (Na3AlF6). It occurs in a large deposit at Ivigtut, Greenland, and in small amounts in ... [3 related articles]
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http://www.britannica.com/eb/a-z/c/164
A mineral found in Greenland which occurs as white monoclinic crystals; chemical formula Na
3AlF
6. Molten cryolite is used to dissolve bauxite ore in the electrolytic production of aluminum.
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http://www.daviddarling.info/encyclopedia/C/cryolite.html
Cry'o·lite noun [ Greek
kry`os icy cold, frost +
-lite : confer French
cryolithe .]
(Min.) A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina.
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http://www.encyclo.co.uk/webster/C/197
Cryolite is the fluoride of sodium and aluminium, it is found in Greenland in pale greyish-white or yellowish-brown cleavable masses often enclosing brown siderite and grey galena. It always occurs in pegmatites where it's probably a precipitate from fluoride rich solutions. It has been used as a source of aluminium, and is used in the manufacture ...
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http://www.probertencyclopaedia.com/browse/HC.HTM
Sodium fluoaluminate
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http://www.translationdirectory.com/glossaries/glossary075.htm
[
n] - a white mineral consisting of fluorides of aluminum and sodium
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http://www.webdictionary.co.uk/definition.php?query=cryolite
cryolite With reference to its icy appearance, a fluoride of sodium and aluminum found in Greenland and used in the molten state in the electrolytic production of aluminum.
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http://www.wordinfo.info/words/index/info/view_unit/2785/3
Greenland spar noun a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine
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https://www.encyclo.co.uk/local/20974
Rare granular crystalline mineral (sodium aluminium fluoride), Na
3AlF
6, used in the electrolytic reduction of bauxite to aluminium. It is chiefly found in Greenland. In the extraction of aluminium from the ore bauxite (impure aluminium oxide), the alumina (pure aluminium oxide) has to be molten for elec...
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https://www.encyclo.co.uk/local/21221
(Sodium Aluminum Fluoride) Cryolite is an uncommon mineral of very limited natural distribution. Mostly considered a one locality mineral, although there are a few other minor localities, it was only found in large quantities on the west coast of Greenland. It was used as a solvent of the aluminum rich ore, bauxite, which is ...
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https://www.encyclo.co.uk/local/23719
a mineral, sodium aluminum fluoride, NaAlF, occurring in white masses, used as a flux in the electrolytic production of aluminum. Also called
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https://www.infoplease.com/dictionary/cryolite
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