laumontite
English
[edit]Alternative forms
[edit]Etymology
[edit]Named after the discoverer François Pierre Nicholas Gillet de Laumont (1747–1834) as lomonite, renamed as laumonite in 1809 and as laumontite in 1821.[1] + -ite
Noun
[edit]laumontite (usually uncountable, plural laumontites)
- (mineralogy) A mineral, of a white color and vitreous luster, with the chemical formula CaAl2Si4O12·4H2O. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes opaque, and crumbles.
Further reading
[edit]- David Barthelmy (1997–2024) “Laumontite”, in Webmineral Mineralogy Database.
- “laumontite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.
- ^ Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997