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词汇 goethite
释义

Definition of goethite in English:

goethite

noun ˈɡəːtʌɪtˈɡōTHīt
mass noun
  • A dark or yellowish-brown mineral consisting of hydrated iron oxide, occurring typically as masses of fibrous crystals.

    针铁矿

    Example sentencesExamples
    • It includes goethite on quartz, secondary quartz enclosing already crystallized goethite, and goethite and secondary quartz crystallizing together.
    • Although each mound had substantial amounts of quartz and kaolinite, minerals that reflected differences in mound material included magnetite, gypsum, hornblende, hematite, goethite, and feldspars.
    • Some of this quartz exhibits amethyst coloration, and the totally included goethite obviously crystallized at the same time the quartz was forming.
    • Crystals commonly display rhombic dodecahedral morphology, are generally small, and are frequently replaced by goethite or other iron oxides/hydroxides.
    • Tiny crystals of hematite, goethite, chalcopyrite, marcasite, and dolomite are common and make excellent micromounts.

Origin

Early 19th century: from the name of J.W. von Goethe, Johann Wolfgang von + -ite1.

Definition of goethite in US English:

goethite

nounˈɡōTHīt
  • A dark reddish-brown or yellowish-brown mineral consisting of oxyhydroxide iron, occurring typically as masses of fibrous crystals.

    针铁矿

    Example sentencesExamples
    • Some of this quartz exhibits amethyst coloration, and the totally included goethite obviously crystallized at the same time the quartz was forming.
    • Tiny crystals of hematite, goethite, chalcopyrite, marcasite, and dolomite are common and make excellent micromounts.
    • Crystals commonly display rhombic dodecahedral morphology, are generally small, and are frequently replaced by goethite or other iron oxides/hydroxides.
    • Although each mound had substantial amounts of quartz and kaolinite, minerals that reflected differences in mound material included magnetite, gypsum, hornblende, hematite, goethite, and feldspars.
    • It includes goethite on quartz, secondary quartz enclosing already crystallized goethite, and goethite and secondary quartz crystallizing together.

Origin

Early 19th century: from the name of J.W. von Goethe, Johann Wolfgang von + -ite.

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