cristobalite

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cristobalite

(krɪsˈtəʊbəˌlaɪt)
n
(Minerals) a white microcrystalline mineral consisting of silica and occurring in volcanic rocks. Formula: SiO2
[C19: from German, named after Cerro San Cristóbal, Mexico, where it was discovered]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cristobalite - a white mineral consisting of silica; found in volcanic rocks
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
silica, silicon dioxide, silicon oxide - a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
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References in periodicals archive ?
Under the thin section, quartz and dolomite were found in trace amount in the form of fine-grains while chalcedony, crystobalite and other deleterious minerals were not observed.
2) shows golden brown cordierite crystals with associated pale violet mullite, crystobalite and sanidine.