What are mica's characteristics?

Mica is a group of silicate minerals known for their unique sheet-like structure, allowing them to be easily split into thin, flexible layers. It is non-toxic, heat-resistant, and an Excellent electrical insulator, making it valuable in various applications, including electronics and cosmetics. Mica also exhibits a range of colors and luster, contributing to its aesthetic appeal in decorative uses. Additionally, its transparency varies, with some types allowing light to pass through while still providing a degree of opacity.