Crystal Structure of Talc Powder: Formation Mechanism, Characteristics, and Applications
Talc powder, as an important industrial mineral filler and functional material, has unique physical and chemical properties rooted in its microscopic crystal structure. This article aims to explore in depth the formation mechanism (genesis) of the crystal structure of talc powder, analyze in detail its 2:1 type octahedral layered structure characteristics composed of silicon oxygen tetrahedral layers and magnesium oxygen octahedral layers, and systematically explain how this structure directly determines its key properties such as hydrophobicity, lubricity, adsorption, chemical inertness, and sheet-like morphology, ultimately related to its wide applications in many fields such as polymers, coatings, cosmetics, pharmaceuticals, and ceramics.