1) Major ore of uranium 2) Mineral 3) Ore of uranium 4) Uraninite 5) Uranium ore
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1) Ore 2) Uraninite
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https://www.crosswordclues.com/clue/pitchblende
• (n.) A pitch-black mineral consisting chiefly of the oxide of uranium; uraninite. See Uraninite.
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http://thinkexist.com/dictionary/meaning/pitchblende/
amorphous, black, pitchy form of the crystalline uranium oxide mineral uraninite (q.v.); it is one of the primary mineral ores of uranium, containing ... [4 related articles]
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http://www.britannica.com/eb/a-z/p/73
a brown to black mineral that has a distinctive luster. It consists mainly of urananite (UO2), but also contains radium (Ra). It is the main source of uranium (U) ore.
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http://www.encyclo.co.uk/local/21808
Pitch'blende` noun [ 1st
pitch + blende .]
(Min.) A pitch-black mineral consisting chiefly of the oxide of uranium; uraninite. See
Uraninite .
Found on
http://www.encyclo.co.uk/webster/P/96
Type: Term Pronunciation: pich′blend Definitions: 1. A mineral of pitchlike appearance, chiefly uranium dioxide, the main source of uranium and elements, such as radium, produced as a result of the radioactive breakdown of that element. Synonyms: uraninite
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http://www.medilexicon.com/medicaldictionary.php?t=69123
Brownish-black mineral, the major uranium ore, consisting mainly of uranium oxide (UO
2). It also contains some lead (the final, stable product of uranium decay) and variable amounts of most of the naturally occurring radioactive elements, which are products of either the decay or the fissioning of uranium isotopes. The ur...
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https://www.encyclo.co.uk/local/21221
An important uranium ore mineral. It is black in color, possesses a characteristic greasy lustre and is highly radioactive.
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https://www.encyclo.co.uk/local/22709
An important uranium ore mineral. It is black in color, possesses a characteristic greasy lustre and is highly radioactive.
Found on
https://www.encyclo.co.uk/local/22733
An important uranium ore mineral. It is black in color, possesses a characteristic greasy luster and is highly radioactive.
Found on
https://www.encyclo.co.uk/local/22734
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