Kaolin bụ mineral na-abụghị ọla, nke bụ ụdị ụrọ na nkume ụrọ nke nwere mineral ụrọ nke Kaolinite.N'ihi ọdịdị ọcha ya na nke siri ike, a na-akpọkwa ya ala Baiyun.Aha ya bụ obodo Gaoling dị na Jingdezhen, Jiangxi Province.

Kaolin ya dị ọcha dị ọcha, dị nro na Mollisol dị ka, nwere ezigbo plasticity, ọkụ ọkụ na ihe ndị ọzọ anụ ahụ na kemịkal.Ihe mejupụtara ya bụ Kaolinite, halloysite, hydromica, Illite, Montmorillonite, quartz, feldspar na mineral ndị ọzọ.A na-eji Kaolin eme ihe n'ọtụtụ ebe n'ime mpempe akwụkwọ, ceramik, na ihe ndị na-agbagharị agbagharị, na-esote mkpuchi, ihe mkpuchi rọba, glazes enamel, na ngwa ciment ọcha.A na-eji obere ego eme ihe na rọba, agba, pigmenti, wiil egweri, pensụl, ihe ịchọ mma kwa ụbọchị, ncha, pesticides, ọgwụ, textiles, mmanụ ala, kemịkalụ, ihe owuwu ụlọ, nchekwa mba, na ngalaba mmepụta ihe ndị ọzọ.

Ihe mejupụtara mineral Kaolin bụ Kaolinite, dickite, nkume pearl, halloysite na mineral ụyọkọ Kaolinite ndị ọzọ, isi ihe mejupụtara ya bụ Kaolinite.

The Crystal chemistry usoro nke Kaolinite bụ 2SiO2 ● Al2O3 ● 2H2O, na Theoretical kemịkalụ mejupụtara bụ 46.54% SiO2, 39.5% Al2O3, 13.96% H2O.Mineral Kaolin bụ 1: 1 ụdị silicate Layered, na kristal bụ nke sitere na silica tetrahedron na alumina Octahedron mejupụtara.A na-ejikọta silica tetrahedron n'akụkụ akụkụ abụọ site n'ịkekọrịta akụkụ vertex iji mepụta oyi akwa grid hexagonal, na ikuku oxygen na-adịghị ekerịta nke ọ bụla silica tetrahedron chere ihu n'otu akụkụ;Ihe mejupụtara 1: 1 ụdị oyi akwa nke silicon oxide tetrahedron oyi akwa na aluminum oxide Octahedron oyi akwa, nke na-ekekọrịta n'ọnụ oxygen nke silicon oxide tetrahedron oyi akwa.