Ironsand
![Iron sand from Phoenix, Arizona, attracted to a magnet.](/Images/godic/202501/21/Iron_sand_attracted_to_a_magnet4115.jpg")
Ironsand also known as iron-sand and iron sand is a type of sand with heavy concentrations of iron. It is typically dark grey or blackish in colour.
It comprises mainly magnetite, Fe3O4, and also contains small amounts of titanium, silica, manganese, calcium and vanadium.