also: コーディアライト
noun
cordierite
A magnesium iron aluminium cyclosilicate mineral; also known as iolite in gemology. Technical term used in mineralogy.
See also: 菫青石
コージェライトは熱膨張率が低いため、耐熱材料に使われる。
Cordierite is used in heat-resistant materials because of its low thermal expansion coefficient.
Japanese name for cordierite, literally 'violet-blue stone'. コージェライト is the loanword equivalent used in scientific contexts.
From English 'cordierite', named after French geologist Louis Cordier.