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What is the difference between biotite and muscovite minerals?

Feb 12, 2017 · Biotite is a "brown" mica group incorporating Mg and Fe. Given their chemical differences you find them in different rocks. As you would expect, white mica would be found in light-coloured felsic rocks, dark mica in Fe/Mg-rich dark, mafic rocks (or in their weathering products).

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Biotite Mineral Data

General Biotite Information. KMg 2.5 Fe 2+0.5 AlSi 3 O 10 (OH) 1.75 F 0.25 Environment: Granitic rocks. Forms a series with phlogopite. Has several polytypes (1M, 3T, 2M1). Biotite is now a group name for phlogopite, siderophyllite and eastonite. IMA Status: Not Approved IMA 1998 - Bitote .

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Biotite H3o2 Liquid Crystal Minerals is a solution for ...

Biotite H3O2 Liquid Crystal Minerals is a water based solution made from a naturally occurring mineral deposit (rock) called Biotite. It is processed using a proprietary technology in which the mineral salts are extracted from the Biotite.

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Muscovite mica: The mineral Muscovite information and pictures

Muscovite is an extremely common mineral, nevertheless there are some exceptional localities that need to be mentioned. Outstanding Muscovite crystals, some bright yellow and others with perfect star formations, come from the famous pegmatite localites in the .

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Biotite 2oz Minerals - Power Organics

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Biotite - Wikipedia
Biotite Granite (VAgrb;0) - USGS

Geologic unit mapped in ia: Gray to white, medium-grained, massive to layered granite and granite gneiss range in composition from granite to quartz diorite. Quartz diorite dikes and sills are locally abundant. Mineralogy: quartz + potassium feldspar + plagioclase + biotite + epidote + muscovite ± clinopyroxene + hornblende. This unit intrudes biotite gneiss unit (Cbg).

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Biotite mica: The mineral Biotite information and pictures

Biotite is a common rock-forming mineral, and is especially noted in metamorphic rocks such as schist and gneiss. It is also found in igneous rock such as granite s and rhyolites. Biotite is also the primary mica in rare earth pegmatite s.

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Biotite - GEO143 Mineral Webpages

Biotite is a common mineral in clastic sedimentary rocks, but does not significantly stand out due to weathering. Associated Rock types : Biotite is found in so many different rocks that form at different temperatures and pressures, making it an interesting and diverse mineral.

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Biotite - Rock-Forming Minerals

Biotite is a very common and widespread mineral group. The minerals of the group occur often in metamorphic and igneous rocks.It is much less common in sediments and sedimentary rocks because it yields to clay minerals in the weathering environment.

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Muscovite and Biotite - pitt.edu

The mica minerals have one perfect cleavage that allows them to be broken into very thin sheets. This is very distinctive. Muscovite is clear, silvery, or coppery silver in color (depending on the thickness of the sample and presence of impurities) whereas fresh biotite is black. When biotite weathers, it can become dark golden or coppery in color.

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BIOTITE (Potassium Iron Magnesium Aluminum Silicate ...

Biotite, like other micas, has a layered structure of iron magnesium aluminum silicate sheets weakly bonded together by layers of potassium ions. These potassium ion layers produce the perfect cleavage. Biotite is rarely considered a valuable mineral specimen, but it can accompany other minerals and compliment them.

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Biotite – A Common Rock Forming Mineral

Biotite is a member of the mica branch of the silicate mineral group.It is common as a rock-forming mineral and is found associated with muscovite, feldspar, and quartz. It has a widespread occurance and is present in all three rock types igneous, metamorphic, and sedimentary.

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Mica Mineral Types - Mineral Processing & Metallurgy

Biotite, or black mica, has a high percentage of iron (up to about 25%), which causes its usual black color; it is also high in magnesia, and so is often called magnesia-iron mica. On account of its dark color and high percentage of iron, which lowers its insulating power, it is not often merchant-able.

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Muscovite Mineral Data

Muscovite Apatite-(CaF) Beryl Apatite Comments: Pink crystals of fluorapatite with pale blue beryl (aquamarine) on books of muscovite crystals. Location: Nagar .

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Biotite: Mineral information, data and localities.

Jean Baptiste Biot [April 21, 1774 Paris, France - February 3, 1862 Paris, France] A series or subgroup of the Mica Group. The CNMMN Subcommittee on Nomenclature of the Micas (1998, 1999) has recommended that the name biotite be used for a series between the joins Annite - Phlogopite and Siderophyllite - Eastonite,...

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Mining Funda: Biotite

Biotite is a primary 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.

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Geology - rocks and minerals - University of Auckland

Biotite is a member of the mica group of silicates (sheet silicates), like chlorite and muscovite. It occurs in more geological environments than any of the other micas. It is a common rock forming mineral, being present in at least some percentage in many igneous rocks (e.g. granite and rhyolite), and metamorphic rocks (e.g. schist, gneiss).

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Biotite | mineral | 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. For chemical formula and detailed physical properties, see mica (table).

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Titanian Biotite: Mineral information, data and localities.

- Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral .

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