See Also: heulandite(medicine)
heulandite(dictionary)

heulandite (iou)



heulandite noun. E19.
[from Henry Heuland (1777-1856), English mineralogist + -ITE1.]
Mineralogy. A monoclinic hydrated silicate of aluminium and calcium belonging to the zeolite group, usu. occurring as elongated tabular crystals, white or faintly coloured with a pearly lustre.