The common characteristics of mica group minerals are: layered silicate minerals, monoclinic crystal system, a few trigonal crystal system, the crystals are pseudo-hexagonal columnar, plate and sheet; The aggregate is scaly and foliaceous. It has a set of extremely complete cleavage, along which it is easy to peel into sheets. Therefore, the shape of mica is usually regarded as sheet.

Natural mica is a group of silicate minerals that is typically found in igneous and metamorphic rocks. The most commonly used types of natural mica are muscovite and phlogopite. Natural mica can be mined and processed into thin, flexible sheets that exhibit excellent transparency and brightness. Its natural shiny appearance makes it a favorite in the cosmetic industry, particularly for products such as eyeshadows, highlighters, and lip glosses. Beyond cosmetics, natural mica is used in plastics, paints, and electronics for its insulating properties.

Mica has a wide range of uses, in ancient China, it is often used to do traditional Chinese medicine, the ancients even think that taking mica: a year to remove all diseases (heavy metal poisoning), three years of long service, husband into a boy (body scrap), Zhongshan uncle Qing suit, over time can become a cloud (soul ascension). However, in the era without glass, the transparency of mica makes it a better decorative material, for example, we are familiar with the mica screen candle shadow deep, the river gradually falling Xiaoxing sink. Mica screen is low, tassel tent is small and mica calf car.