autunite
noun Etymology: Autun, town in France Date: circa 1852 a radioactive usually lemon-yellow calcium phosphate mineral that occurs in tabular crystals and in scales and that is an ore of uranium

New Collegiate Dictionary. 2001.

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  • Autunite — Catégorie VIII : phosphates, arséniates, vanadates[1] Autunite sur granite Les Oudots France …   Wikipédia en Français

  • Autunite — (hydrated calcium uranyl phosphate) with formula: Ca(UO2)2(PO4)2·10 12H2O is a yellow greenish fluorescent mineral with a hardness of 2 2½. Autunite crystallizes in the tetragonal system and often occurs as tabular square crystals. Due to the… …   Wikipedia

  • autunite — [ otynit ] n. f. • 1866; de Autun, ville française ♦ Minér. Phosphate naturel d uranium et de calcium. ● autunite nom féminin Uranophosphate naturel de calcium se présentant en cristaux tabulaires et qui est un minéral d altération des gisements… …   Encyclopédie Universelle

  • Autunite — Au tun*ite, n. [From Autun, France, its locality.] (Min.) A lemon yellow phosphate of uranium and calcium occurring in tabular crystals with basal cleavage, and in micalike scales. H., 2 2.5. Sp. gr., 3.05 3.19. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • autunite — [ô′tən īt΄] n. [after Autun, town in France + ITE1] a hydrous, radioactive, tetragonal mineral, Ca(UO2) 2 (PO4) 2·10 12H2O: it is an ore of uranium …   English World dictionary

  • autunite — otenitas statusas T sritis chemija apibrėžtis Mineralas. formulė Ca[UO₂|PO₄]₂·(8–12)H₂O atitikmenys: angl. autunite rus. отенит; отунит …   Chemijos terminų aiškinamasis žodynas

  • autunite — /awt n uyt , oh tun uyt/, n. a yellow mineral, a hydrous calcium uranium phosphate, CaU2P2O12·8H2O, occurring in crystals as nearly square tablets: a minor ore of uranium. [1850 55; named after Autun, city in E France near source of supply; see… …   Universalium

  • autunite — noun A yellow mineral with tetragonal crystals, Ca(UO)(PO)·10 12HO …   Wiktionary

  • autunite — au·tu·nì·te s.f. TS mineral. minerale radioattivo di colore giallo, costituito da fosfato di calcio e uranio, cristallino, che si presenta in lamine {{line}} {{/line}} DATA: 1881. ETIMO: der. di Autun, nome di una cittadina della Francia, con 2… …   Dizionario italiano

  • autunite — {{hw}}{{autunite}}{{/hw}}s. f. Minerale dell uranio …   Enciclopedia di italiano

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