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cristobalite

[kri-stoh-buh-lahyt] /krɪˈstoʊ bəˌlaɪt/
noun, Mineralogy
1.
a polymorph of quartz occurring in volcanic rock in the form of colorless, translucent crystals.
Origin of cristobalite
1885-1890
1885-90; named after San Cristóbal, a hill near Pachuca de Soto, Mexico; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for cristobalite

cristobalite

/krɪsˈtəʊbəˌlaɪt/
noun
1.
a white microcrystalline mineral consisting of silica and occurring in volcanic rocks. Formula: SiO2
Word Origin
C19: from German, named after Cerro San Cristóbal, Mexico, where it was discovered
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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