• Webster's Revised Unabridged Dictionary
    • n Datolite (Min) A borosilicate of lime commonly occuring in glassy,, greenish crystals.
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Century Dictionary and Cyclopedia
    • n datolite A borosilicate of calcium, occurring most commonly in brilliant glassy crystals, which are colorless or of a pale-green tint, white, grayish, or red; also in a white, opaque, massive form, looking like porcelain, and in radiated columnar form with botryoidal surface (the variety botryolite). It is found in Norway, the Tyrol, and Italy, and in fine crystals in New Jersey, Connecticut, and the Lake Superior mining-region. Haytorite is a pseudomorph of chalcedony after datolite. Also datholite, humboldtite.
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Chambers's Twentieth Century Dictionary
    • n Datolite dat′ō-līt a vitreous calcium borosilicate.
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Webster's Revised Unabridged Dictionary
From. Gr. , to divide + -lite,; in allusion to the granular structure of a massive variety


In literature:

Probably datolite, he decided.
"The Flaming Mountain" by Harold Leland Goodwin
Levy in 1823 to monoclinic crystals supposed to be distinct from datolite, but the two were afterwards proved to be identical.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 9" by Various