geodil.jpg

A Geoscience Digital Image Library

1317.jpg
TitleOolitic hematite from unknown location
DescriptionHematite, Fe2O3 (iron oxide), has historically been a very important ore of iron. The picture shows an oolitic form of hematite. It is composed of oolites, small reddish brown rounded grains cemented tightly together. The specimen is 11.5 cm across.
PhotographerDarla Sondrol. 2001-07-24.
CollectionUniversity of North Dakota Mineralogy Collection #5012.
Key wordsoolitic, hematite, oolite
Tech details829 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1317