クリストバル石せきじ字FuriganaMeanings1nouncristobaliteA high-temperature polymorph of silica (SiO₂), named after Cerro San Cristóbal in Mexico. Used in geology and materials science.クリストバル石せきは火か山ざん岩がんの中なかによく見みられる。Cristobalite is often found in volcanic rocks.
