vanadiiniitti

Vanadiiniitti is a mineral composed of lead, iron, and vanadium. Its chemical formula is Pb5(VO4)3Cl. Vanadiiniitti is a secondary mineral, meaning it forms from the alteration of other minerals. It is typically found in the oxidized zones of lead deposits, often in arid climates. The color of vanadiiniitti can range from bright orange to reddish-brown or brown, and it crystallizes in prismatic or acicular habits. It is often found in association with other lead minerals such as cerussite and anglesite.

The crystal system of vanadiiniitti is hexagonal. It has a hardness of 3-3.5 on the Mohs scale, indicating it is relatively soft. Its specific gravity is around 6.9-7.1. Vanadiiniitti is not a common ore of vanadium, but it is of interest to mineral collectors due to its vibrant colors and attractive crystal forms. Significant deposits have been found in various locations worldwide, including Algeria, Argentina, Mexico, and the United States. The mineral was first described in 1838 from a discovery in Cordoba, Spain. Its name is derived from the element vanadium, which is a key component of its chemical composition.