noun🔗ShareKaolinitA common hydrous aluminosilicate mineral found in sediments, soils and sedimentary rocks, Al2Si2O5(OH)4; one of the kaolin group of minerals."The white, powdery clay used to make some types of porcelain is primarily kaolinite. "Der weiße, pulverförmige Ton, der zur Herstellung einiger Porzellanarten verwendet wird, ist hauptsächlich Kaolinit.geologymineralmaterialsubstancechemistryChat with AIVocabulary GamePractice Reading