Encyclopedia
Mica
Mica (muscovite, phlogopite, biotite, etc.) constitutes a group of natural complex layered aluminosilicates characterized by the fact that they form shiny, transparent, and flexible plates of various colors
Source: "Explanations to the Customs Tariff of the Russian Federation's Foreign Economic Activity (TN VED Russia)" (prepared by the Federal Customs Service of Russia) (volume 1, sections I - VI, groups 1 - 29)