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autunite

[awt-n-ahyt, oh-tuhn-ahyt] /ˈɔt nˌaɪt, oʊˈtʌn aɪt/
noun
1.
a yellow mineral, a hydrous calcium uranium phosphate, CaU 2 P 2 O 12 ⋅8H 2 O, occurring in crystals as nearly square tablets: a minor ore of uranium.
Origin of autunite
1850-1855
1850-55; named after Autun, city in E France near source of supply; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for autunite

autunite

/ˈɔːtəˌnaɪt/
noun
1.
a yellowish fluorescent radioactive mineral consisting of a hydrated calcium uranium phosphate in tetragonal crystalline form. It is found in uranium ores. Formula: Ca(UO2)2(PO4)2.10–12H2O
Word Origin
C19: named after Autun in France, one of the places where it was found, + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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