xenotime
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Xénotime — Catégorie VIII : phosphates, arséniates, vanadates[1] Xénotime du Brésil … Wikipédia en Français
XÉNOTIME — Essentiellement constitué par du phosphate d’yttrium, de formule (YPO4), le xénotime peut renfermer parfois de l’erbium et d’autres lanthanides (cérium, lanthane, scandium...) qui se substituent à l’yttrium dans la structure cristalline. Le… … Encyclopédie Universelle
Xenotime — Xénotime Catégorie VIII : phosphates, arséniates, vanadates Formule brute YPO4 Identification Couleur jaunâtre à brunâtre, aussi grisâtre … Wikipédia en Français
Xenotime — Xen o*time, n. [Gr. ? honoring guests or strangers; xe nos guest, stranger + ? honor: cf. G. xenotim.] (Min.) A native phosphate of yttrium occurring in yellowish brown tetragonal crystals. [1913 Webster] … The Collaborative International Dictionary of English
Xenotime — Infobox mineral name = Xenotime boxwidth = caption = Xenotime from the Poços de Caldas alkaline massif, Brazil formula = YPO4 color = Brown, brownish yellow, gray habit = Prismatic, aggregate, granular system = Tetragonal cleavage = Perfect, two… … Wikipedia
xenotime — ▪ mineral widely distributed phosphate mineral, yttrium phosphate (YPO4), though large proportions of erbium commonly replace yttrium), that occurs as brown, glassy crystals, crystal aggregates, or rosettes in igneous rocks and associated… … Universalium
xenotime — ksenotimas statusas T sritis chemija apibrėžtis Mineralas. formulė Y[PO₄] atitikmenys: angl. xenotime rus. ксенотим … Chemijos terminų aiškinamasis žodynas
xenotime — xen·o·time … English syllables
xenotime — /ˈzɛnətaɪm/ (say zenuhtuym) noun a mineral, yttrium phosphate, YPO4, often containing cerium, erbium, and thorium, of which it is a source. {French, as if from Greek xenos strange + timē honour; apparently an error for kenotime (Greek kenos empty …
xenotime — noun a brown to yellow mineral that is a phosphate of yttrium in crystalline form • Hypernyms: ↑mineral • Substance Meronyms: ↑thulium, ↑Tm, ↑atomic number 69, ↑ytterbium, ↑Yb, ↑atomic number 70, ↑ … Useful english dictionary
