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datolite

 - 2 dictionary results

dat⋅o⋅lite

[dat-l-ahyt]
–noun
a mineral, calcium and boron silicate, CaB(SiO4)(OH), usually occurring in rock cavities in the form of colorless, prismatic crystals.

Origin:
1800–10; < G Datolith, equiv. to Gk dat(eîsthai) to divide, share out + -o- + G -lith; see -lite


dat⋅o⋅lit⋅ic [dat-l-it-ik] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Encyclopedia

datolite

an uncommon mineral, calcium borosilicate, CaBSiO4(OH), that occurs as white or colourless veins and cavity linings in basic igneous rocks and in metallic-ore veins. Some notable deposits exist in the United States: Westfield, Mass.; Bergen Hill, N.J.; and the Lake Superior copper district. Others have been found in Norway, various places in Italy, and Tasmania. For detailed physical properties, see silicate mineral (table)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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