How to distinguish lithium mica?
The color varies with the change of chemical composition, mainly with the increase of Fe content. Muscovite is colorless transparent or light colored, but often dyed green, brown, yellow and pink and other colors; black mica is black to dark brown, dark green color; phlogopite yellow, brown, green or colorless, shiny glass, cleavage is pearl or semi metallic luster; pale purple, rose lepidolite red to grey.
The most common mineral types in mica group minerals are biotite, muscovite, mica, mica and sericite. Mica is usually a pseudo - six - or rhombic plate-like, flaky, columnar crystalline form.
