datolite

American  

[dat-l-ahyt] / ˈdæt lˌaɪt /

noun

1. a mineral, calcium and boron silicate, CaB(SiO4 )(OH), usually occurring in rock cavities in the form of colorless, prismatic crystals.

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datolite British  

/ 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)

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Other Word Forms

• datolitic
  adjective

Etymology

Origin of datolite

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

Example Sentences

Large crystals of datolite completely altered to chalcedony were formerly found with magnetite in the Haytor iron mine on Dartmoor in Devonshire; to these pseudomorphs the name haytorite has been applied.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 9 "Dagupan" to "David" by Various

It occurs in nature also in boracite, datolite, tourmaline, and some other minerals.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

A variety of datolite, usually having a botryoidal structure.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

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

From The Flaming Mountain by Goodwin, Harold L. (Harold Leland)

A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah