What does biotite mean?

Definitions for biotite
ˈbaɪ əˌtaɪtbi·otite

This dictionary definitions page includes all the possible meanings, example usage and translations of the word biotite.

Princeton's WordNet

  1. biotitenoun

    dark brown to black mica found in igneous and metamorphic rock

Wiktionary

  1. biotitenoun

    A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron

  2. Etymology: Biotite was named by J.F.L. Hausmann in 1847 in honour of the French physicist Jean-Baptiste Biot, who, in 1816, researched the optical properties of mica, discovering many unique properties.

ChatGPT

  1. biotite

    Biotite is a common rock-forming mineral from the mica group, known for its dark color, typically black or dark brown. It is a phyllosilicate mineral that is rich in iron and magnesium, and is characterized by its thin, flaky structure. Biotite is named after the French physicist Jean-Baptiste Biot who studied the optical properties of micas. It can be found in igneous, metamorphic and sedimentary rocks, used in various applications from electrical insulators to adding sparkle to cosmetics.

Webster Dictionary

  1. Biotitenoun

    mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica

Wikidata

  1. Biotite

    Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula K(Mg,Fe)3AlSi3O10(F,OH)2. More generally, it refers to the dark mica series, primarily a solid-solution series between the iron-endmember annite, and the magnesium-endmember phlogopite; more aluminous endmembers include siderophyllite. Biotite was named by J.F.L. Hausmann in 1847 in honour of the French physicist Jean-Baptiste Biot, who, in 1816, researched the optical properties of mica, discovering many unique properties. Biotite is a sheet silicate. Iron, magnesium, aluminium, silicon, oxygen, and hydrogen form sheets that are weakly bound together by potassium ions. It is sometimes called "iron mica" because it is more iron-rich than phlogopite. It is also sometimes called "black mica" as opposed to "white mica" – both form in some rocks, in some instances side-by-side.

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Numerology

  1. Chaldean Numerology

    The numerical value of biotite in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of biotite in Pythagorean Numerology is: 8

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"biotite." Definitions.net. STANDS4 LLC, 2025. Web. 12 Feb. 2025. <https://www.definitions.net/definition/biotite>.

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