Linked from
The 9 pages that link to Vanadium, each with the reason it gives.
Bushveld ComplexRelated: Bushveld magnetite layers are a major source of vanadium.
DubniumCompared with: Vanadium offers the lightest group 5 comparison for dubnium's chemical trends.
VanadateNarrower topic: Vanadate contains vanadium, most often in the +5 oxidation state.
TanzaniteRelated: Vanadium impurities are chiefly responsible for tanzanite’s blue-violet color.