A Geoscience Digital Image Library

TitleChalcopyrite with azurite and limonite
DescriptionThis specimen is about 8 cm across. It is mostly chalcopyrite (CuFeS2) - the brass-yellow mineral - that has tarnished. Although chalcopyrite crystallizes in the tetragonal system, it is usually found in the massive form. Chalcopyrite is an important ore of copper and is widely distributed throughout the world. Here it is seen with azurite (blue) and limonite (orange).
LocationUSA ▹ Montana
PhotographerDarla Sondrol. 2001-07-09.
CollectionUniversity of North Dakota Mineralogy Collection #114.
Key wordschalcopyrite, azurite, limonite, Montana
Tech details817 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1051