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Cristobalite vs Tridymite - What's the difference?

cristobalite | tridymite |

As nouns the difference between cristobalite and tridymite

is that cristobalite is 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 while tridymite is a rare mineral of volcanic rocks that solidified at a high temperature, with the chemical composition silicon dioxide, SiO2. Tridymite is chemically identical to quartz, but has a different crystal structure. Sometimes contains sodium aluminum silicate, which seems to be expelled when quartz solidifies at lower temperatures.

cristobalite

English

Noun

  • (mineral) A mineral of volcanic rocks that solidified at a high temperature. Cristobalite is chemically identical to quartz, with the chemical formula Si]][[oxygen, O2, but has a different crystal structure. Crystals are always microscopic, and usually form small rounded masses.

    • See also

    * *silicate, silica group

    tridymite

    English

    Noun

    (en noun)
  • (mineralogy) A rare mineral of volcanic rocks that solidified at a high temperature, with the chemical composition silicon dioxide, Si]][[oxygen, O2. Tridymite is chemically identical to quartz, but has a different crystal structure. Sometimes contains sodium aluminum silicate, which seems to be expelled when quartz solidifies at lower temperatures.

    • Related terms

    :See silicate, silica group