Contributed by the site creator
100 gram Vanadium metal chunk, showing blue, green, gold, and purple colors resulting from a thin layer of oxidation.
Contributed by collector no. 4
Vanadium group: olive-green tarnished Vanadium chunks, Niobium chunks, and Tantalum chunks
Contributed by collector no. 3
The Vanadium metal group: Vanadium , Niobium , and Tantalum
Oxidized miniature Vanadium bars showing brilliant colors
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