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
zircón — m. circón … Diccionario de la lengua española
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