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词汇 vivianite
释义

Definition of vivianite in English:

vivianite

noun ˈvɪvɪənʌɪtˈvivēəˌnīt
mass noun
  • A mineral consisting of a phosphate of iron which occurs as a secondary mineral in ore deposits. It is colourless when fresh but becomes blue or green with oxidization.

    蓝铁矿

    Example sentencesExamples
    • This polished section of a tooth crown reveals figure-eight patterns of the blue mineral vivianite, a phosphate of iron.
    • The vivianite occurs in small earthy-blue masses perched on fragments of fossil wood.
    • Crystals and fine-grained masses of vivianite are present.
    • Occurrences of gypsum crystals and vivianite in drift are also noteworthy.
    • The quarry has yielded fine specimens of eosphorite, fairfieldite, montebrasite, roscherite, and vivianite.

Origin

Early 19th century: named after John H. Vivian (1785–1855), British mineralogist, + -ite1.

Definition of vivianite in US English:

vivianite

nounˈvivēəˌnīt
  • A mineral consisting of a phosphate of iron which occurs as a secondary mineral in ore deposits. It is colorless when fresh but becomes blue or green with oxidization.

    蓝铁矿

    Example sentencesExamples
    • The quarry has yielded fine specimens of eosphorite, fairfieldite, montebrasite, roscherite, and vivianite.
    • This polished section of a tooth crown reveals figure-eight patterns of the blue mineral vivianite, a phosphate of iron.
    • Occurrences of gypsum crystals and vivianite in drift are also noteworthy.
    • The vivianite occurs in small earthy-blue masses perched on fragments of fossil wood.
    • Crystals and fine-grained masses of vivianite are present.

Origin

Early 19th century: named after John H. Vivian (1785–1855), British mineralogist, + -ite.

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