datolite

[dat-l-ahyt]

noun

1. a mineral, calcium and boron silicate, CaB(SiO4 )(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 Word Forms

• datolitic 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

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

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

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A variety of datolite, usually having a botryoidal structure.

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The crystals were for a long time considered to be orthorhombic, and indeed they approach closely to this system in habit, interfacial angles and optical orientation; humboldtite was the name given by A. L�vy in 1823 to monoclinic crystals supposed to be distinct from datolite, but the two were afterwards proved to be identical.

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

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