- CategoryPhyllosilicateCrystal systemMonoclinic
Biotite Mineral | Uses and Properties - Geology.com
WEBBiotite is a name for several sheet silicate minerals with similar properties and dark color. It forms in igneous and metamorphic rocks and has some industrial uses and geological significance.
Biotite Mineral Geology and Uses - ThoughtCo
WEBBiotite is a dark-colored mica that forms sheets or flakes in rocks. It is used to date rocks, make insulators, and decorate surfaces.
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Biotite Mica : Properties, Formation, Ocurrence and …
WEBSep 2, 2023 · Biotite is a common mica mineral with a dark color and a perfect basal cleavage. It forms in igneous and metamorphic rocks and has various applications in industry and geology.
Biotite mica: The mineral Biotite information and pictures
WEBBiotite is a black, dark brown, or dark green mineral with a flaky habit and a pearly luster. It is a rock-forming mineral in metamorphic and igneous rocks, and has various uses as an insulator and a collector's specimen.
Biotite | Mica, Silicate, Rock-Forming | Britannica
WEBBiotite is a silicate mineral in the common mica group, abundant in metamorphic, pegmatite, and igneous rocks. It is composed of variable proportions of four aluminosilicates of potassium, iron, magnesium, or …
Biotite - Rock-Forming Minerals - Sandatlas
WEBBiotite is a mineral group with perfect basal cleavage and variable color and composition. It is common in metamorphic and igneous rocks, especially granites and pegmatites, and can be distinguished from …
Biotite | Common Minerals
WEBBiotite is a dark-colored mica mineral with a single perfect cleavage and a potassium iron magnesium aluminum silicate structure. Learn about its properties, uses, occurrence, and how to distinguish it from …
Biotite – Geology is the Way
WEBBiotite, 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-Baptiste Biot, who devoted …
Biotite – Virtual Museum of Molecules and Minerals
WEBBiotite–K (Mg,Fe)3AlSi3O10 (OH)2–is a dark, iron-rich mica that has a monoclinic crystal system. The octahedral layer is entirely occupied by Mg2+ and Fe2+ and the mineral is therefore trioctahedral, since all octahedra are occupied. The source of the lattice charge is the presence of Al3+ in place of Si4+ in 1/4 of the tetrahedral sites.
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