Halloysite: Structure, Occurrence and Applications

Halloysite is a natural clay mineral that belongs to the kaolin group. Its chemical formula is Al2(OH)4Si2O5.nH2O. Primarily, this mineral is an ideal nanofiller for polymer composites, but it is also utilized in the manufacture of ceramic wares and in the encapsulation of drugs in the pharmaceutical industry. The authors present details regarding a simple, rapid, high-yield, and low-temperature s...