[ loh-mon-tahyt ]
/ loʊˈmɒn taɪt /
a white zeolite mineral, chiefly hydrated silicate of aluminum and calcium.
Origin of laumontite
1795–1805; named after F. P. N. G. de Laumont (1747–1834), French mineralogist who discovered it; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019