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单词 microcline
释义

Definition of microcline in English:

microcline

noun ˈmʌɪkrə(ʊ)klʌɪnˈmaɪkroʊˌklaɪn
mass noun
  • A green, pink, or brown crystalline mineral consisting of potassium-rich feldspar, characteristic of granite and pegmatites.

    Example sentencesExamples
    • They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite.
    • Well-formed crystals of quartz, microcline, and albite typically line pocket walls.
    • The pegmatite is composed of microcline, plagioclase and quartz with minor amounts of clinopyroxene, orthopyroxene, ilmenite and zircon.
    • Also associated with smoky quartz are microcline, fluorite, goethite (some as ‘onegite’), and topaz.
    • The aegirine was associated with aesthetic smoky quartz, microcline, and zircon.

Origin

Mid 19th century: from German Microklin, from Greek mikros 'small' + klinein 'to lean' (because its angle of cleavage differs only slightly from 90 degrees).

 
 

Definition of microcline in US English:

microcline

nounˈmaɪkroʊˌklaɪnˈmīkrōˌklīn
  • A green, pink, or brown crystalline mineral consisting of potassium-rich feldspar, characteristic of granite and pegmatites.

    Example sentencesExamples
    • Well-formed crystals of quartz, microcline, and albite typically line pocket walls.
    • The pegmatite is composed of microcline, plagioclase and quartz with minor amounts of clinopyroxene, orthopyroxene, ilmenite and zircon.
    • The aegirine was associated with aesthetic smoky quartz, microcline, and zircon.
    • Also associated with smoky quartz are microcline, fluorite, goethite (some as ‘onegite’), and topaz.
    • They collected several pegmatite pockets in which topaz was associated with both clear and smoky quartz, microcline, albite, muscovite, fluorite, and cassiterite.

Origin

Mid 19th century: from German Microklin, from Greek mikros ‘small’ + klinein ‘to lean’ (because its angle of cleavage differs only slightly from 90 degrees).

 
 
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更新时间:2025/1/11 13:43:30