Alkali feldspar


alkali feldspar
alkali feldspar
any of several feldspar minerals containing alkali metals and little calcium. plagioclase, orthoclase and microcline are alkali feldspars.

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  • Alkali flat

    a level area, as a dry lake bed, in which evaporation has concentrated alkali minerals, as sodium sulfates and carbonates. historical examples ride down the barranca two hundred yards and you’ll come to an alkali flat. the killer stewart edward white the rear of the saloon was part-tioned off into a “ladies’ room,” whose door […]

  • Alkali grass

    a plant, zigadenus elegans, of central and western north america, having tough, wiry, bluish-green leaves and greenish flowers.

  • Alkali metaprotein

    a metaprotein derived by means of a hydrolytic alkali.

  • Alkali-loving

    (of a plant) requiring a ph of 7.1 to 9 for optimal growth.

  • Alkali metal

    any of the group of univalent metals including pot-ssium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. historical examples write the general formula of an alum, representing an atom of an alkali metal by x and an atom of a trivalent metal by y. an elementary study of chemistry william mcpherson barium nitrate, […]


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