Kaolin ndi mchere wosakhala wachitsulo, womwe ndi mtundu wa dongo ndi miyala yadongo yomwe imapangidwa makamaka ndi mchere wa dongo wa gulu la Kaolinite. Chifukwa cha mawonekedwe ake oyera komanso ofewa, amadziwikanso kuti nthaka ya Baiyun. Dzina lake limatengera Gaoling Village ku Jingdezhen, Chigawo cha Jiangxi.

Kaolin yake yoyera ndi yoyera, yofewa komanso yofanana ndi Mollisol, yokhala ndi pulasitiki wabwino, yolimba moto komanso zinthu zina zakuthupi ndi zamakemikolo. Kapangidwe kake ka mchere kamakhala ndi Kaolinite, halloysite, hydromica, Illite, Montmorillonite, quartz, feldspar ndi mchere wina. Kaolin imagwiritsidwa ntchito kwambiri popanga mapepala, zinthu zadothi, ndi zinthu zotsutsa, kutsatiridwa ndi zokutira, zodzaza rabara, ma glaze a enamel, ndi zinthu zopangira simenti yoyera. Kanthu kakang'ono kamagwiritsidwa ntchito mu pulasitiki, utoto, utoto, mawilo opukutira, mapensulo, zodzoladzola za tsiku ndi tsiku, sopo, mankhwala ophera tizilombo, mankhwala, nsalu, mafuta, mankhwala, zipangizo zomangira, chitetezo cha dziko, ndi mafakitale ena.

Miyala ya Kaolin imapangidwa ndi Kaolinite, dickite, miyala ya ngale, halloysite ndi mchere wina wa Kaolinite, ndipo gawo lalikulu la mchere ndi Kaolinite.

Fomula ya kristalo ya Kaolinite ndi 2SiO2 ● Al2O3 ● 2H2O, ndipo kapangidwe kake ka chemistry ndi 46.54% SiO2, 39.5% Al2O3, 13.96% H2O. Michere ya Kaolin ndi ya silicate ya mtundu wa 1:1, ndipo kristalo imapangidwa makamaka ndi silica tetrahedron ndi alumina Octahedron. Silica tetrahedron imalumikizidwa motsatira mbali ziwiri pogawana ngodya ya vertex kuti ipange gawo la hexagonal grid, ndipo mpweya wochuluka womwe sugawidwa ndi silica tetrahedron iliyonse umayang'ana mbali imodzi; Gawo la 1:1 la unit limapangidwa ndi silicon oxide tetrahedron layer ndi aluminiyamu oxide layer Octahedron, zomwe zimagawana mpweya wochuluka wa silicon oxide tetrahedron layer.