datolite

[ dat-l-ahyt ]

noun

1. a mineral, calcium and boron silicate, CaB(SiO 4 )(OH), usually occurring in rock cavities in the form of colorless, prismatic crystals.

datolite

/ ˈdeɪtəˌlaɪt /

noun

1. a colourless mineral consisting of a hydrated silicate of calcium and boron in monoclinic crystalline form, occurring in cavities in igneous rocks. Formula: CaBSiO 4 (OH)

Other Words From

• dat·o·lit·ic [dat-l-, it, -ik], adjective

Word History and Origins

Origin of datolite¹

1800–10; < German Datolith, equivalent to Greek dat ( eîsthai ) to divide, share out + -o- + German -lith; -lite

Word History and Origins

Origin of datolite¹

C19: dato- from Greek dateisthai to divide + -lite

Example Sentences

Certain pseudomorphs of chalcedony after datolite, from Haytor in Devonshire, have received the name of “haytorite.”

From Project Gutenberg

He uncovered a few more of the datolite crystals and put them in his pocket.

From Project Gutenberg

The color was about right, and he knew datolite was found in igneous rocks of volcanic origin.

From Project Gutenberg

Datolite is white or colourless, often with a greenish tinge; it is transparent or opaque.

From Project Gutenberg