Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. A form of silica found in small octahedral crystals in cavities in the andesite of the Cerro San Cristobal, Mexico. It may be pseudomorphous.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a white mineral consisting of silica; found in volcanic rocks

Etymologies

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

Examples

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