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vivianite

American  
[viv-ee-uh-nahyt] / ˈvɪv i əˌnaɪt /

noun

  1. a secondary mineral, hydrous ferrous phosphate, Fe 3 (PO4 ) 2 ⋅8H 2 O, occurring in the form of pale blue crystals or powder.

Etymology

Origin of vivianite

1815–25; named after J. G. Vivian, 19th-century English mineralogist, who found it; -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Traces of the blue, powdery mineral vivianite, which is commonly found on fossils, can be seen on her body.

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.