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baddeleyite

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baddeleyite [ˈbædlɪˌaɪt]
n
(Earth Sciences / Minerals) a mineral consisting largely of zirconium dioxide: a source of zirconium. Formula: ZrO2
[named after J. Baddeley, British geologist]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.baddeleyite - a mineral consisting of zirconium oxide
atomic number 40, zirconium, Zr - a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition


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Baddeleyite is useful because it incorporates large amounts of uranium into its crystal-structure, and because uranium naturally decays to lead.
The U-Pb analyses of primary baddeleyite from the Nipissing diabase and vein-related secondary rutile have yielded ages of 2217.
It was also announced at the same time that the Zirconium Sulphate Tetrahydrate (ZST) plant would cease operations in its current form on 31 May 2001 as the expected reduction in zirconia available to the baddeleyite plants is occurring earlier than anticipated and has rendered the ZST plant uneconomic.
 
 
 
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