Volborthite
Pronunciation : Vol"borth*ite
Part of Speech : n.
Etymology : [So named after Volborth, who first discovered it.] (Min.)
Definition : Defn: A mineral occurring in small six-sided tabular crystals of a green or yellow color. It is a hydrous vanadate of copper and lime.
Source : Webster's Unabridged Dictionary, 1913
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