biotite


bi·o·tite

noun \ˈbī-ə-ˌtīt\

Definition of BIOTITE

:  a generally black or dark green form of mica that is a constituent of crystalline rocks and consists of a silicate of iron, magnesium, potassium, and aluminum
bi·o·tit·ic \ˌbī-ə-ˈti-tik\ adjective

Origin of BIOTITE

German Biotit, from Jean B. Biot †1862 French mathematician
First Known Use: 1862

Rhymes with BIOTITE

acolyte, aconite, aerolite, Ammonite, Amorite, amosite, anchorite, andesite, anthracite, antiwhite, apartheid, appetite, arsenite, azurite, Bakelite, bedlamite, Benthamite, bipartite, black-and-white, blatherskite, bleacherite, bring to light, Brooklynite, bryophyte, calamite, Canaanite, candlelight, Carmelite, Castroite, catamite, cellulite, cenobite, chalcocite, chestnut blight, Chinese white, columbite, coprolite, copyright, cryolite, crystallite, disinvite, disunite, divine right, dolerite, dolomite, dynamite, ebonite, epiphyte, eremite, erudite, expedite, extradite, featherlight, fight-or-flight, fly-by-night, gelignite, geophyte, gesundheit, gigabyte, Gilsonite, Hashemite, hematite, hemocyte, hessonite, Hitlerite, Houstonite, hug-me-tight, Hutterite, hyalite, Ibsenite, impolite, inner light, Ishmaelite, Isle of Wight, Israelite, Jacobite, Jerseyite, Josephite, kilobyte, kimberlite, laborite, lazulite, leading light, Leavisite, Leninite, leukocyte, lily-white, localite, lymphocyte, macrophyte, magnetite, malachite, manganite, Marcionite, Masonite, megabyte, Mennonite, Minorite, Moabite, Mr. Right, muscovite, Muscovite, Nazirite, neophyte, oocyte, open sight, out-of-sight, overbite, overflight, overnight, oversight, overwrite, parasite, patent right, perovskite, phagocyte, pilot light, plebiscite, proselyte, Puseyite, pyrrhotite, recondite, reunite, rhyolite, running light, Saint Paulite, saprolite, satellite, Scottish rite, second sight, see the light, self-ignite, serve one right, shergottite, socialite, sodalite, sodomite, spider mite, Stagirite, Sydneyite, taconite, tanzanite, terabyte, time-of-flight, traffic light, transfinite, transvestite, tripartite, troglodyte, Trotskyite, Ulsterite, ultralight, underwrite, urbanite, vigil light, Wahhabite, water right, water sprite, watertight, Wycliffite, xerophyte, yesternight, zoophyte

biotite

noun    (Concise Encyclopedia)

Biotite mica from the district of Juchitán, Oaxaca, Mex.—Courtesy of the Field Museum of Natural History, Chicago; photograph, John H. Gerard-EB Inc.

Silicate mineral in the common mica group. It is abundant in metamorphic rocks, in pegmatites, and in granites and other igneous rocks. Biotite is a layer silicate structure in which aluminum and silicon occur in infinitely extending Si-Al-O sheets that alternate with potassium-rich and magnesium- (and iron-) containing sheets.

Variants of BIOTITE

biotite or black mica

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