Magnetite, Fe3O4 (iron oxide), is a natural magnet, hence the name, giving it a very nice distinguishing characteristic. Magnetite is an important source of iron ore and occurs in many igneous rocks.
Location
USA ▹ Arkansas. Near Magnet.
Photographer
Nessa Eull. 1899-12-30.
Collection
University of North Dakota Mineralogy Collection #2364.
Key words
Magnetite, Arkansas
Tech details
484 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.