Vanadinite

Vanadinite is a distinctive mineral known especially for its vivid red to orange, often well-developed hexagonal crystals. Our selection consists mainly of vanadinite from Morocco, including specimens from Mibladen near Midelt. You will find individual crystals as well as vanadinite associated with barite, in some specimens accompanied by dark manganese coatings that create a striking contrast with the colour of the vanadinite.

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Vanadinite is a mineral belonging to the phosphate, arsenate and vanadate group, with the chemical formula Pb₅(VO₄)₃Cl. It contains lead and vanadium and forms primarily as a secondary mineral in the oxidation zones of lead deposits, often in regions with a dry climate. Thanks to its vivid colours and well-developed crystals, it is a popular mineral among collectors.

Characteristics and appearance

Vanadinite most commonly forms hexagonal crystals, which can be very well developed. It occurs in shades of red, orange, brown and yellow and may also form granular, fibrous or massive aggregates. Its crystals have a vitreous to adamantine lustre. In the structure of vanadinite, vanadium may be partially substituted by phosphorus or arsenic.

Occurrence

Vanadinite forms mainly in the oxidation zones of lead deposits. Morocco is one of the best-known localities in the world and is the source of many striking collectible specimens with red to orange crystals. Significant finds are also known from Mexico, Namibia, Argentina and the United States, particularly Arizona.

Vanadinite with barite

Vanadinite often occurs together with barite, creating distinctive mineral specimens. Light-coloured barite may occasionally be covered with dark manganese coatings, which contrast with the red to orange crystals of vanadinite. This combination of different colours, lustres and crystal forms is one of the reasons why these specimens are popular among collectors.