from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A borosilicate of lime commonly occurring in glassy, greenish crystals, with the chemical formula CaBSiO4(OH).

from the GNU version of the Collaborative International Dictionary of English

  • n. A borosilicate of lime commonly occuring in glassy,, greenish crystals.

from The Century Dictionary and Cyclopedia

  • n. 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).


From Ancient Greek δατέομαι (dateomai, "I divide") +‎ -lite; in allusion to the granular structure of a massive variety. (Wiktionary)


  • The element boron is present in various complex boro-silicates, such as datolite and tourmaline, the latter of which is used as a precious stone

    The Economic Aspect of Geology


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