Share this entry
vivianite Line breaks: viv¦ian|ite
Pronunciation: /ˈvɪvɪənʌɪt/

Definition of vivianite in English:


[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.
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.

Definition of vivianite in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources