Lepidolite meaning

    lĭ-pĭd'l-īt'
    A lilac or pink to gray mineral of the mica group, K(Li,Al)3 (Si,Al)4 O10 (F,OH)2 , used as lithium ore and in ceramic production.
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    Mica that contains lithium, commonly occurring in scaly masses of rose, lilac, or gray color.
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    (mineralogy) A pale lilac mica mineral that is a mixed basic fluoride and aluminosilicate of potassium, lithium and aluminium.
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    Origin of lepidolite

    • lepido– –lite
      From American Heritage Dictionary of the English Language, 5th Edition

    Lepidolite Sentence Examples

    • Within two years of the invention the authors announced the discovery of two metals, rubidium and caesium, closely allied to sodium, potassium and lithium in properties, in the mineral lepidolite and in the Diirkheim mineral water.

    • The principal members of the group are muscovite, biotite, phlogopite and lepidolite.

    • The angle between the optic axes varies from 70 0 -50° in muscovite and lepidolite to Io - o° in biotite and phlogopite; the latter are thus frequently practically uniaxial.

    • To the first class, with the optic axial plane perpendicular to the plane of symmetry, belong muscovite, lepidolite, paragonite, and a rare variety of biotite called anomite; the second class includes zinnwaldite, phlogopite, lepidomelane and most biotites.

    • H 2 Na A13(S104)3 Lepidolite...

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    Words near lepidolite in the Dictionary