Cristobalite is a high-temperature polymorph of silica (SiO₂). It is one of the several crystalline forms of silica, the others being quartz and tridymite. Cristobalite is characterized by its distinct crystal structure and is typically stable at temperatures above about 1,470 °C (2,680 °F). Cristobalite can form in volcanic rocks and is often found in deposits resulting from the cooling of molten lava.
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