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Definition of Volborthite
1. n. A mineral occurring in small six-sided tabular crystals of a green or yellow color. It is a hydrous vanadate of copper and lime.
2. n. A mineral occurring in small six-sided tabular crystals of a green or yellow color. It is a hydrous vanadate of copper and lime.
Definition of Volborthite
1. Noun. (minerology) A mineral containing copper and vanadium. ¹
¹ Source: wiktionary.com