Coesite is a rare mineral that is found in meteor impact craters and high-pressure rocks. Its chemical composition is silicon dioxide and has the same chemical formula as quartz. Synonyms for coesite include SiO2, silica, quartz polymorph, high-pressure silica, and spodiophyllite. Since coesite is a specific mineral with unique properties, it is often referred to by its proper name to avoid confusion with other minerals. Nevertheless, describing coesite by its various synonyms can help people understand its chemical and geological characteristics. Overall, coesite is an intriguing mineral worth studying due to its rare occurrence and high-pressure formation.