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Pronunciation varies by accent · noun
(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..
Use cristobalite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cristobalite means (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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use cristobalite where its definition matches the intended context.
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