ALL meanings of heulandite
heu·land·ite
H h - noun heulandite a white or transparent, colorless mineral of the zeolite family, hydrous calcium aluminum silicate, CaAl 2 Si 7 O 18 ⋅6H 2 O, occurring in basic volcanic rocks in the form of crystals with a pearly luster. 1
- noun heulandite (mineral) A common mineral of the zeolite group with monoclinic crystals, the most usual form being heulandite-Ca (Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O. 1
- noun heulandite a white, grey, red, or brown zeolite mineral that consists essentially of hydrated calcium aluminium silicate in the form of elongated tabular crystals. Formula: CaAl2Si7O18.6H2O 0
- noun heulandite a semihard, lightweight, monoclinic zeolite, (Na,Ca)4-6Al6(Al,Si)4Si26O72·24H2O 0
- noun heulandite (mineralogy) A common mineral of the zeolite group with monoclinic crystals, the most usual form being heulandite-Ca (Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O. 0