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cristobalite

Noun CEFR C1

Definitions

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.

countable, uncountable

Equivalents

Françaiscristobalite

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
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