Look up: Heulandite

1. heulandite
   [n] - a group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calcium
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Heulandite
   Heu'land·ite noun [ 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 silicate of alumina and lime.
   Found on http://www.encyclo.co.uk/webster/H/41
   
   
3. heulandite
   <chemical> 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 silicate of alumina and lime. ... Origin: After Heuland, an English mineralogist. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
4. Heulandite
   • (n.) 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 silicate of alumina and lime.
   Found on http://thinkexist.com/dictionary/meaning
   
   
5. heulandite
   hydrated sodium and calcium aluminosilicate mineral in the zeolite family, formulated (Ca,Na)2-3Al3(Al,Si)2Si13O3612H2O. It forms brittle, ... [2 related articles]
   Found on http://www.britannica.com/eb/a-z/h/45
   
   
6. Heulandite
   Heulandite, named after the English mineralogist Heuland, is a mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly lustre on the cleavage face. It is a hydrous silicate of alumina and lime with the formulae (Na,Ca)4- 6Al6(Al, ...
   Found on http://www.probertencyclopaedia.com/brow
   
   
7. Heulandite
   `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, with the mineral species being named: Heulan...
   Found on http://en.wikipedia.org/wiki/Heulandite