heulandite Hear it!

heulandite definition

heu·land·ite (hyo̵̅o̅′lən dīt′)

noun

a semihard, lightweight, monoclinic zeolite, (Na,Ca)Al(Al,Si)SiO·24HO

Etymology: named (1822) after Henry Heuland, Eng mineralogist

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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