Mica is a naturally occurring mineral that is mined from the earth, composed of a combination of silicate compounds. It is finely ground to create a powder that can be used in various applications, ranging from cosmetics to arts and crafts. Mica powder is known for its shimmering properties, which can give products a lustrous sheen. This shine is not just for aesthetics; it also helps reflect light, creating an illusion of smoothness on the skin.

Apart from cosmetics, mica plays an essential role in the electronics industry. It is commonly used as an insulator in capacitors, circuits, and electrical devices due to its excellent dielectric properties. China's booming electronics market, fueled by advancements in technology and a growing consumer base, increases the demand for mica. The mineral's unique properties make it irreplaceable in many applications, solidifying its importance in the electronics sector.

Installing decorative mica sheets is a relatively straightforward process, often requiring only basic tools and skills. They can be cut to size and adhered to various surfaces, making them a practical option for both DIY enthusiasts and professional contractors. Maintenance is equally simple; regular cleaning with mild soap and water, along with avoiding abrasive materials, ensures that the sheets remain in pristine condition.

X represents large interlayer cations, such as K+, Na+, Ca2+, Ba2+, Rb+, Cs+, etc. Y represents octahedral cations, such as Al3+, Fe2+, Mg2+, Cr3+, Ti4+, Fe3+, etc. Z is mainly Si4+ and Al3+; The ideal ratio of the additional anion (OH)- to (O)2- is 2:10, and (OH)- can be replaced by F- and Cl-. Most mica contain 4% to 5% water. Therefore, although they may be called mica, the chemical composition of different mica may be very different, for the purpose of research, we collectively refer to the minerals with this type of characteristics as mica group minerals.