laumontite

English edit

Alternative forms edit

laumonite

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 Ca Al₂Si₄O₁₂·4H₂O. 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

[1] Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997

[1]