albite


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Related to albite: microcline, augite

al·bite

 (ăl′bīt)
n.
A colorless to white variety of feldspar that is classified both as plagioclase feldspar and alkali feldspar, contains a high proportion of sodium to calcium and potassium and is a common constituent of igneous, metamorphic, and sedimentary rocks.

[Latin albus, white; see albho- in Indo-European roots + -ite.]

al·bit′ic (-bĭt′ĭk), al·bit′i·cal (-ĭ-kəl) adj.

albite

(ˈælbaɪt)
n
(Minerals) a colourless, milky-white, yellow, pink, green, or black mineral of the feldspar group and plagioclase series, found in igneous sedimentary and metamorphic rocks. It is used in the manufacture of glass and ceramics. Composition: sodium aluminium silicate. Formula: NaALSi3O8. Crystal structure: triclinic
[C19: from Latin albus white]
albitic adj

al•bite

(ˈæl baɪt)

n.
the sodium end member of the plagioclase feldspar group, light-colored and found in igneous rocks that contain a high percentage of sodium and potassium alkali.
[1835–45; < Latin alb(us) white + -ite1]
al•bit′ic (-ˈbɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.albite - a widely distributed feldspar that forms rocks
oligoclase, plagioclase - any of a series of triclinic feldspars that form rocks
References in periodicals archive ?
The pegmatite fields of San Luis have an important past record of producing mica, beryl, spodumene, tantalite (tantalum oxide), columbite (niobium oxide), and recently potassium feldspar, albite and quartz.
A similar stone known as youguo, from Sanbaopeng (near Jingdezhen) is a high albite material (soda mica), and is more fusible and only moderately plastic.
The study by FARIA (2008) demonstrated that the crystal grains are richer in Na at their periphery and richer in Ca at the core, so the composition of the borders is albite (the sodic plagioclase), and the core is anorthite (the calcic plagioclase).
The rhyolite sheets are sparsely porphyritic, at places banded, and composed of perthite, quartz, albite, sodic amphibole, aegirine-augite, opaque oxide and titanite.
ii) transferring stable silicon-rich components, such as kaolinite and quartz, to easily soluble compounds, for example, albite and nephelite: in order to improve the Si[O.
the country rock) in close proximity to the intrusions has been fenitized to varying degrees, producing quartz syenite, alkali syenite, nepheline syenite, pyroxene nephelinite, microcline syenite and albite syenite.
Tucson 2015: exceptional colored stones and gem artistry, Brazilian Cu-bearing tourmaline and emerald, Oregon sunstone and pearl market updates * Conference reports * Amblygonitemontebrasite carving * Moroccan amethyst * Dumortierite in quartz * Jadeite with high albite content * Moldavite imitation * Iridescent scapolite * Composite quartz beads * CVD synthetic diamond with unstable color * The Foldscope.
Quartz, albite and dolomite were not incorporated to prepare samples for the TGA and DSC experiments because the decomposition temperatures of these three minerals are out of our scan range.
In a microscopic study of the sample ZMT--375 that is removed from this zone plagioclases of the rock became sosority and changed to the set of epidote and albite.
The most abundant were quartz, calcite with 25 to 30% each, albite 18.
Partly greisenized topaz-albite granite is a medium grained, equigranular rock consisting of quartz, albite (Ano_2), potassium feldspar, lithium mica and topaz.