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Definition of Biotite
1. Noun. Dark brown to black mica found in igneous and metamorphic rock.
Definition of Biotite
1. n. Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.
Definition of Biotite
1. Noun. (minerology) A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron ¹
¹ Source: wiktionary.com
Definition of Biotite
1. a form of mica [n -S] : BIOTITIC [adj]
Medical Definition of Biotite
1.
Lexicographical Neighbors of Biotite
Literary usage of Biotite
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Treatise on Metamorphism by Charles Richard Van Hise (1904)
"A frequent case is the formation of biotite from the pyroxenes, feldspars, and
magnetite. ... In summary, as a metamorphic mineral, biotite is derived from ..."
2. The Roman Comagmatic Region by Henry Stephens Washington (1906)
"biotite.—This mineral is likewise rare in the region, though more common than
... There would seem to be some connection between the occurrence of biotite ..."
3. Transactions of the American Institute of Mining, Metallurgical and (1913)
"biotite- Granite. Under this heading are included a true granitic rock, ...
The biotite-granite proper forms two irregular masses on the claims of the ..."
4. Cecil County by Maryland Geological Survey, George Burbank Shattuck, Florence Bascom, Edward Bennett Mathews, Clarence Wilbur Dorsey, Jay Allan Bonsteel, Oliver Lanard Fassig, Henry Albert Pressey, Louis Agricola Bauer, Hugh M. Curran, George Bishop Sudworth, Geologic (1902)
"Feldspar, quartz, hornblende and biotite are the essential constituents and can
be distinguished in the hand specimen. ..."
5. Transactions by American Institute of Mining, Metallurgical, and Petroleum Engineers, Metallurgical Society of AIME, Society of Mining Engineers of AIME., Society for Mining, Metallurgy, and Exploration (U.S.). (1916)
"are represented by numerous irregular patches of small individuals or flakes of
dense brown biotite. The quartz and sericite are clearly secondary and ..."
6. Bulletin by Geological Survey of Georgia (1902)
"biotite granite, from the Sam Hill quarry, near Newnan, ... biotite granite, from
the Tigner quarry, near Odessa, Men wether county. ..."
7. Memoirs of the Geological Survey of India by Geological Survey of India (1902)
"They are composed of quartz and felspar with muscovite and occasionally biotite
and garnet—no other minerals have been identified in them. ..."
8. Descriptive Mineralogy by William Shirley Bayley (1917)
"biotite Twinned about a Plane Perpendicular to oP (oo1), and Parallel to the Edge
Between oP(oo1) and —2P(221). The composition plane 1s oP(oo1). Mica law. ..."
Other Resources:
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