Complete Definition of "cristobalite"

English

Etymology
Named for the type locality at Cerro San Cristóbal, Mexico.

Noun
cristobalite

  1. mineralogy A mineral of volcanic rocks that solidified at a high temperature. Cristobalite is chemically identical to quartz, but has a different crystal structure. Crystals are always microscopic, and usually form small rounded masses.
Chemical composition: Silicon dioxide, <math>SiO?_2</math>

See also
w:Tridymite|Wikipedia article on Silicon dioxide minerals
Silicate, Silica group

zh:cristobalite

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