This is also the name of a gemstone of the Phyllosilicates category.Mica is used in a variety of products ranging from drywalls, paints, fillers, especially in parts for automobiles, roofing and shingles, electronics etc.The word 'mica' is derived from the Latin word 'mica', meaning 'a crumb', and probably influenced by 'micare', 'to glitter'.https://www.firemountaingems.com/resources/encyclobeadia/gem-notes/hc0l?term=mica https://en.wikipedia.org/wiki/Mica
Mica is used in a variety of products ranging from drywalls, paints, fillers, especially in parts for automobiles, roofing and shingles, electronics etc.
The word 'mica' is derived from the Latin word 'mica', meaning 'a crumb', and probably influenced by 'micare', 'to glitter'.
https://www.firemountaingems.com/resources/encyclobeadia/gem-notes/hc0l?term=mica
https://en.wikipedia.org/wiki/Mica