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Gold, Mining and Prospecting: Biotite as an Indicator ...

Nov 26, 2010 · Biotite is a common rock forming mineral found in abundance in both igneous and metamorphic rock. The mineral is a member of the cyclosilicate family of minerals characterized by perfect cleavage parallel to the C-axis that produces flakes or thin layers. Its fracture is .

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Biotite Mineral Geology and Uses - thoughtco

Biotite is a dark-colored mica. It is an aluminosilicate mineral that forms sheets or flakes. Although biotite is sometimes called black mica, it occurs in other colors, including brown, greenish-brown, yellow, and even white. Biotite occurs with other types of mica, even within a single rock.

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Biotite Mineral | Uses and Properties

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 .

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Biotite | Minerals Education Coalition

The high iron content, which imparts dark colors, rules out biotite from many industrial uses. However, because biotite is abundant in granitic rocks, pegmatites, and schists that are also associated with the more desirable muscovites, the mineral is important for exploration. Biotite is mica .

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Biotite mica: The mineral Biotite information and pictures

Biotite is a very common form of mica. It is named in honor Jean Baptiste Biot (1774 - 1862), a French physicist, mathematician, and astronomer who researched the mica minerals for their optical properties. Because of Biotite's abundance, its presence is usually lacking in collections except for it being an accessory mineral to other minerals. Biotite can come in enormous crystal sheets that can weigh .

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Biotite Mining | Processing Equipment | Flow Chart | Cases ...

The high iron content, which imparts dark colors, rules out biotite from many industrial uses. However, because biotite is abundant in granitic rocks, pegmatites, and schists that are also associated with the more desirable muscovites, the mineral is important for exploration. Biotite is mica .

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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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