geodil.jpg

A Geoscience Digital Image Library

1386.jpg
TitleMagnetite
DescriptionMagnetite, Fe3O4 (iron oxide), is another form of iron ore. Its most unusual feature is that it is strongly magnetic. It was discovered by the ancient Greeks and was used to make compasses. Its hardness is about 5-6, and it has a black streak.
LocationUSA ▹ Arkansas. Near Magnet Cove.
PhotographerDarla Sondrol. 2001-07-30.
CollectionUniversity of North Dakota Mineralogy Collection #412.
Key wordsMagnetite, Arkansas
Tech details867 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1386