zircón

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• ZIRCON — ZIRC Mot composé à partir du persan, zircon signifie or et lumière. Ce minéral fait partie des silicates à tétraèdres, Si4, isolés (nésosilicates) qui cristallisent, dans le système quadratique, en donnant des formes bitétragonales. Les cristaux… …   Encyclopédie Universelle

• Zircón — General Categoría Minerales nesosilicatos Clase 9.AD.30 (Strunz) Fórmula química …   Wikipedia Español

• zircon — ZIRCÓN s.n. Silicat natural de zirconiu, tetragonal, de obicei galben portocaliu, roşu sau verde, foarte dur, folosit pentru obţinerea bioxidului de zirconiu, iar cristalele limpezi ca pietre semipreţioase. – Din fr. zircon. Trimis de valeriu, 13 …   Dicționar Român

• Zircon — ir con, n. [F., the same word as jargon. See {Jargon} a variety of zircon.] 1. (Min.) A mineral consisting predominantly of zirconium silicate ({Zr2SiO4}) occurring in tetragonal crystals, usually of a brown or gray color. It consists of silica… …   The Collaborative International Dictionary of English

• Zircón — m. Variante ortográfica de «circón» (piedra preciosa). * * * zircón. m. circón. * * * El zircón o circón es un mineral de color variable perteneciente al grupo de los silicatos …   Enciclopedia Universal

• zircón — → circón …   Diccionario panhispánico de dudas

• zircon — (n.) 1794, new name given in chemistry to JACINTH (Cf. jacinth), from Ger. Zirkon (Cf. Fr. jargon, It. giargone), from Arabic zarqun cinnabar, bright red, from Pers. zargun gold colored, from Avestan zari gold colored, from zar gold …   Etymology dictionary

• zircon — ► NOUN ▪ a mineral consisting of zirconium silicate, typically brown but sometimes in translucent forms of gem quality. ORIGIN German Zirkon …   English terms dictionary

• zircon — [zʉr′kän΄] n. [Ger zirkon, altered (by Werner: see WERNERITE) < Fr jargon < It giargone < Ar zarqūn, bright red < Pers zargūn, gold colored < zar, gold] a light colored, very hard mineral, zirconium silicate, ZrSiO4, an ore of… …   English World dictionary

• Zircon — Not to be confused with zirconia or cubic zirconia. This article is about the mineral. For other uses, see Zircon (disambiguation). Zircon Zircon crystal from Tocantins, Brazil (2×2 cm) …   Wikipedia