Halloysite — 7Å [1] Catégorie IX : silicates[2] … Wikipédia en Français
Halloysite — is a 1:1 aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4. Its main constituents are aluminium (20.90%), silicon (21.76%), and hydrogen (1.56%). Halloysite typically forms by hydrothermal alteration of alumino silicate… … Wikipedia
halloysite — ● halloysite nom féminin (de O. d Halloy, nom propre) Silicate hydraté naturel d aluminium, proche du kaolin, appartenant au groupe des argiles. ⇒HALLOYSITE, subst. fém. MINÉR. Silicate naturel hydraté d aluminium, voisin du kaolin. L halloysite… … Encyclopédie Universelle
Halloysite — Hal*loy site (h[a^]l*loi s[imac]t), n. [Named after Omalius d Halloy.] (Min.) A claylike mineral, occurring in soft, smooth, amorphous masses, of a whitish color. [1913 Webster] … The Collaborative International Dictionary of English
halloysite — Clay Clay (kl[=a]), n. [AS. cl[=ae]g; akin to LG. klei, D. klei, and perh. to AS. cl[=a]m clay, L. glus, gluten glue, Gr. gloio s glutinous substance, E. glue. Cf. {Clog}.] 1. A soft earth, which is plastic, or may be molded with the hands,… … The Collaborative International Dictionary of English
halloysite — (entrée créée par le supplément) (a loi zi t ) s. f. Terme de minéralogie. Silicate alumineux … Dictionnaire de la Langue Française d'Émile Littré
halloysite — hal·loy·site … English syllables
halloysite — həˈlȯiˌsīt, haˈ , ˌzīt noun ( s) Etymology: French, from Omalius d Halloy died 1875 Belg. geologist + French ite : a clay mineral Al2Si2O5(OH)4.nH2O occurring in soft white or light colored masses and in at least two states of hydration … Useful english dictionary
clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… … Universalium
Clay minerals — Oxford Clay (Jurassic) exposed near Weymouth, England. Clay minerals are hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations. Clays have structures similar to… … Wikipedia
