- heulandite
- heu·land·ite
English syllables. 2014.
English syllables. 2014.
Heulandite — Catégorie IX : silicates[1] Heulandite Ca Drio le Pale, Italie (5x4.5 cm) … Wikipédia en Français
Heulandite — is the name of a series of tecto silicate minerals of the zeolite group. Prior to 1997, heulandite was recognized as a mineral species, but a reclassification in 1997 by the International Mineralogical Association changed it to a series name,… … Wikipedia
heulandite — ⇒HEULANDITE, subst. fém. MINÉR. Silicate hydraté naturel d alumine et de chaux, cristallisé dans les cavités des roches volcaniques. La stilbite, qui cristallise en prisme rhomboïdal droit, offre dans ses caractères extérieurs tant d analogie… … Encyclopédie Universelle
Heulandite — Heu land*ite, n. [After Heuland, an English mineralogist.] (Min.) A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous… … The Collaborative International Dictionary of English
*heulandite — ● heulandite nom féminin (de H. Heuland, nom propre) Aluminosilicate hydraté naturel de calcium, appartenant à la famille des zéolites … Encyclopédie Universelle
heulandite — [hyo͞o′lən dīt΄] n. [named (1822) after Henry Heuland, Eng mineralogist] a semihard, lightweight, monoclinic zeolite, (Na,Ca) 4 6Al6 (Al,Si) 4Si26O72·24H2O … English World dictionary
heulandite — /hyooh leuhn duyt /, n. a white or transparent, colorless mineral of the zeolite family, hydrous calcium aluminum silicate, CaAl2Si7O18·6H2O, occurring in basic volcanic rocks in the form of crystals with a pearly luster. [1815 25; named after… … Universalium
heulandite — noun A common mineral of the zeolite group with monoclinic crystals, the most usual form being heulandite Ca (Ca,Na)Al(Al,Si)SiO·12HO … Wiktionary
heulandite — noun Etymology: Henry Heuland, 19th century English mineral collector Date: 1822 a zeolite consisting of a hydrous aluminosilicate of sodium and calcium … New Collegiate Dictionary
heulandite — (entrée créée par le supplément) (eu lan di t ) s. f. Terme de minéralogie. Silicate double d alumine et de chaux hydraté, cristallisant en prismes obliques … Dictionnaire de la Langue Française d'Émile Littré