Lepidolite definition

lĭ-pĭdl-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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Other Word Forms

Noun

Singular:
lepidolite
Plural:
lepidolites

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.

  • 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.

  • The species lepidolite is largely used for the manufacture of lithium and rubidium salts.

  • Bunsen, the best source of rubidium and caesium salts is the residue left after extraction of lithium salts from lepidolite.

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Words near lepidolite in the Dictionary