Biotite - Wikipedia
Biotite is a common group of phyllosilicate minerals within the mica group, with the approximate chemical formula K (Mg,Fe)3AlSi3O10(F,OH)2. It is primarily a solid-solution series between …
Biotite Mineral | Uses and Properties - Geology.com
Biotite is a rock-forming mineral found in a wide range of crystalline igneous rocks such as granite, diorite, gabbro, peridotite, and pegmatite. It also forms under metamorphic conditions …
Biotite Mica : Properties, Formation, Ocurrence and Uses
Sep 2, 2023 · Biotite is the most common mica mineral and also known as black mica, a silicate mineral in the common mica group. Approximate chemical formula K (Mg, Fe). It can be found …
Biotite Mineral Data
Biotite is now a group name for phlogopite, siderophyllite and eastonite. Common world wide. Link to MinDat.org Location Data. Named in 1847 after the French physicist, Jean Baptiste Biot …
Biotite | Mica, Silicate, Rock-Forming | Britannica
biotite, a silicate mineral in the common mica group. It is abundant in metamorphic rocks (both regional and contact), in pegmatites, and also in granites and other intrusive igneous rocks. …
Biotite Mineral Geology and Uses - ThoughtCo
Jan 16, 2020 · Biotite forms sheets of iron, silicon, magnesium, aluminum, and hydrogen weakly bonded by potassium ions. Stacks of sheets form what are called "books" because of their …
Biotite mica: The mineral Biotite information and pictures
Biotite is a common rock-forming mineral, and is especially noted in metamorphic rock s such as schist and gneiss. It is also found in igneous rock such as granite s and rhyolites. Biotite is …
Biotite - Geology is the Way
Biotite, also known, as ‘black mica’ is a rock-forming femic phyllosilicate that occurs in several igneous and metamorphic rocks. The mineral was named in honor of the French scientist Jean …
Biotite thin section - Phyllosilicates - MicROCKScopic
Biotite thin section photomicrographs are taken in plane-polarized light and cross-polarized light, and can easily be recognized under the microscope.
Biotite - Clark Science Center
Biotite, usually dark green, brown, or black, has a pale brown color under plane-polarized light in this sample. It exhibits high interference colors in cross-polar light just as muscovite, but has a …
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