Definition of vivianite in English:


Line breaks: viv¦ian|ite
Pronunciation: /ˈvɪvɪənʌɪt


[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.
    More example sentences
    • 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.
    • Crystals and fine-grained masses of vivianite are present.


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

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used to address an English nobleman