Vanadinite, chlorinated lead vanadate,
Formula Pb₅(VO₄)₃Cl.

Crystal system: Hexagonal.
Hardness: 3
Density: 6.9 gms/cm³
Colour: Red, orange-red or reddish-brown.
Streak: White or yellow.

Vanadinite is a relatively rare lead mineral occurring in the oxydation zones of lead deposits. One of the best-known localities for vanadinite is Mibladen in Morocco where a particularly attractive combination of vanadinite with calcite frequently occurs.

The specimen shown is from Mibladen, 12Km east of Midelt, Morocco.