Bible Dictionaries
Vivianite

Webster's Dictionary

(n.) A hydrous phosphate of iron of a blue to green color, growing darker on exposure. It occurs in monoclinic crystals, also fibrous, massive, and earthy.

Bibliography Information
Webster, Noah. Entry for 'Vivianite'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​v/vivianite.html. 1828.