A Geoscience Digital Image Library

TitleWolframite from North Carolina
DescriptionWolframite has composition (Fe,Mn)WO4, so it is a series between two end members: huebnerite (MnWO4) and ferberite (FeWO4). Wolframite is identified by its drab black-gray-brown appearance and its high density. It is an important tungsten ore mineral. This specimen is about 10 cm across.
LocationUSA ▹ North Carolina
PhotographerDarla Sondrol. 2001-03-07.
CollectionUniversity of North Dakota Mineralogy Collection #912.
Key wordsWolframite, North Carolina
Tech details839 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number193