Analcima

21/06/2013 444 Palabras

AnalcimaGeneralCategoríaMinerales tectosilicatosClase9.GB.05 (Strunz)Fórmula químicaNa(Si2Al)O6·H2OPropiedades físicasColorBlanco, incoloro, gris, rosa, verdoso, amarillentoRayaBlancaLustreVítreoTransparenciaTransparente a translúcidoSistema cristalinoTriclínicoExfoliaciónAusenteFracturaIrregularDureza5-5,5 en la Escala de MohsTenacidadQuebradizo Tectosilicato hidratado de aluminio, Na[AlSi2O6]•H2O, que cristaliza en el sistema cúbico, de peso específico 2,2, dureza 5,5, incoloro y de brillo vítreo. Es de origen hidrotermal.

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