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stishovite

[stish-uh-vahyt]
noun Mineralogy.
  1. a rare polymorph of quartz, SiO2, formed under very high pressure, as by meteorite impact.
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Compare coesite.

Origin of stishovite

1960–65; named after S. M. Stishov, 20th-century Russian mineralogist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018