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datolite
noun
dat·o·lite
\ˈdatəlˌīt\
Definition of datolite
-s
: a mineral Ca2B5SiO9(OH)5 consisting of a basic calcium borosilicate commonly occurring in glassy greenish crystals
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Origin and Etymology of datolite
German datolith, from Greek dateisthai to divide + German -lith; from its granular structure
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