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- Biotite - Wikipedia
Biotite is an essential phenocryst in some varieties of lamprophyre Biotite is occasionally found in large cleavable crystals, especially in pegmatite veins, as in New England, Virginia and North Carolina USA
- 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 when argillaceous rocks are exposed to heat and pressure to form schist and gneiss
- Biotite: Mineral information, data and localities.
Named in 1847 by Johann Friedrich Ludwig Hausmann in honour of the French physicist, mathematician, meteoriticist, astronomer, and mineralogist, Jean-Baptiste Biot [April 21, 1774, Paris, France - February 3, 1862, Paris, France], who studied the optical properties of the micas
- Biotite Mineral Data
Has several polytypes (1M, 3T, 2M1) 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 (1774 - 1862), who studied the optical properties of the micas
- Biotite Mica : Properties, Formation, Ocurrence and Uses - Geology Science
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 in massive crystal layers weighing several hundred pounds
- 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: Properties, Appearance Geologic Role
Biotite is a black mica mineral found in many rocks Discover its key traits, varieties and role in igneous and metamorphic rocks
- What is Biotite? Unveiling This Dark Mica Mineral
Learn about biotite, a dark mica mineral, its composition, properties, and uses in a clear and concise overview
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