dumortierite

[ doo-mawr-tee-uh-rahyt, dyoo- ]

noun

1. a mineral, aluminum borosilicate.

dumortierite

/ djuːˈmɔːtɪəˌraɪt /

noun

1. a hard fibrous blue or green mineral consisting of hydrated aluminium borosilicate. Formula: Al 7 O 3 BO 3 (SiO 4 ) 3

Word History and Origins

Origin of dumortierite¹

1880–85; < French, named after Eugène Dumortier, 19th-century French paleontologist; -ite ¹

Word History and Origins

Origin of dumortierite¹

C19: named after Eugène Dumortier, 19th-century French palaeontologist who discovered it

Example Sentences

Dumortierite occurs in gneiss at Chaponost, near Lyons, and at a few other European localities; it is found also in the United States, being known from near New York City, from Riverside and San Diego counties, California, and from Yuma county, Arizona.

From Project Gutenberg