Vanadinite is an uncommon mineral, only occurring as the result of chemical alterations to a pre-existing material. It was originally discovered in Mexico and was named vanadinite because of its high vanadium content. It is usually bright-red or orange-red in colour, although sometimes brown, red-brown, grey, yellow, or colourless. Its distinctive colour makes it popular among mineral collectors. Its streak can be either pale yellow or brownish-yellow.
