cristobalite

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English[edit]

Etymology[edit]

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

Noun[edit]

cristobalite (countable and uncountable, plural cristobalites)

  1. (mineralogy) A mineral of volcanic rocks that solidified at a high temperature. Cristobalite is chemically identical to quartz, with the chemical formula SiO2, but has a different crystal structure. Crystals are always microscopic, and usually form small rounded masses.

See also[edit]