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Named for the type locality at Cerro San Cristóbal, Mexico, + -ite.
Etymology from Wiktionary, CC BY-SA 4.0.
cristobalite
Today it means: 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. Full definition →