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heulandite
[ hyoo-luhn-dahyt ]
/ ˈhyu lənˌdaɪt /
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This shows grade level based on the word's complexity.
noun
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.
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Origin of heulandite
1815–25; named after Henry Heuland, 19th-century English mineral collector; see -ite1
Words nearby heulandite
hettie, Hetty, het up, HEU, heuchera, heulandite, Heuneburg, heurige, heuristic, heuristics, Heusler alloy
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use heulandite in a sentence
Heulandite is distinguished from stilbite by its crystals and perfect solubility; from apopholite by form of crystals.
Isomorphous with heulandite is the strontium and barium zeolite brewsterite, named after Sir David Brewster.
British Dictionary definitions for heulandite
heulandite
/ (ˈhjuːlənˌdaɪt) /
noun
a white, grey, red, or brown zeolite mineral that consists essentially of hydrated calcium aluminium silicate in the form of elongated tabular crystals. Formula: CaAl 2 Si 7 O 18 .6H 2 O
Word Origin for heulandite
C19: named after H. Heuland, 19th-century English mineral collector; see -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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