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Wet-ground mica, which retains the brilliance of its cleavage faces, is used primarily in pearlescent paints by the automotive industry. Many metallic-looking pigments are composed of a substrate of mica coated with another mineral, usually titanium dioxide (TiO
ORIGIN OF MICA. It crystallizes in monoclinic system in a rock formation called acid pegmatites having mineral composition as ordinary granite,
clays and clay minerals, vol. 43, no. 4, 397--405, 1995. formation of mica during experimental alteration of k-feldspar motoharu kawano ~ and katsutoshi tomita 2
An example of a transparent mineral is muscovite (potassium mica); relates to the dissolution and precipitation of the mineral, which is a key in the formation of
Mica minerals are major rock forming minerals found in gneiss, schist and granite. The mica group includes muscovite mica and biotite mica. They usually form in layers of sediment on ocean floors.
There is no definitive evidence to fully explain the formation of mica as the process is still under scientific study as of 2015. However, mica formation is said to be closely associated with the lack of orthoclase feldspar in pegmatites, which is where the mineral is predominantly found. Mica is an
Mica: Mica, any of a group of hydrous potassium, aluminum silie minerals. It is a type of phyllosilie, exhibiting a two-dimensional sheet or layer structure.
Mineral formation in silie melt: Hornblende Metamorphic rocks can of course only be foliated if the composition of their parent rocks allows mica formation.
Biotite Mica; is a common metamorphic, igneous and sedimentary mineral, the mineral is stable at a variety of grades of metamorphism but can be inverted into
Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silie minerals, known as sheet silies because they form in