Biotite



a very common mineral of the mica group, occurring in black, dark-brown, or dark-green sheets and flakes: an important constituent of igneous and metamorphic rocks.
Historical Examples

South! Sir Ernest Shackleton
The Long Labrador Trail Dillon Wallace
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 6 Various
The Long Labrador Trail Dillon Wallace
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 Various
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5 Various
Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 Various
The Birth-Time of the World and Other Scientific Essays J. (John) Joly
Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 Various
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 Various

noun
a black or dark green mineral of the mica group, found in igneous and metamorphic rocks. Composition: hydrous magnesium iron potassium aluminium silicate. Formula: K(Mg,Fe)3(Al,Fe)Si3O10(OH)2. Crystal structure: monoclinic
biotite
(bī’ə-tīt’)
A dark-brown or dark-green to black mica. Biotite is monoclinic and is found in igneous, metamorphic, and sedimentary rocks. Chemical formula: K(Mg,Fe)3(Al,Fe)Si3O10(OH)2.

Tagged:

Read Also:

  • Biotope

    a portion of a habitat characterized by uniformity in climate and distribution of biotic and abiotic components, as a tidal pool or a forest canopy. noun (ecology) a small area, such as the bark of a tree, that supports its own distinctive community biotope (bī’ə-tōp’) A usually small or well-defined area that is uniform in […]

  • Biotoxicology

    biotoxicology



  • Biotoxin

    biotoxin

  • Biotransformation

    the series of chemical changes occurring in a compound, especially a drug, as a result of enzymatic or other activity by a living organism.



Disclaimer: Biotite definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.