A Geoscience Digital Image Library

TitlePyrite and bismuthinite
DescriptionThe dark gray-black mineral is bismuthinite (Bi2S3). Here it is fine grained and massive but it can occur as prismatic to needle like striated crystals or as fibers or foliated sheets. The gold mineral is pyrite (FeS2), commonly called “Fools Gold.” The specimen is 12 cm across.
PhotographerDarla Sondrol. 2001-07-05.
CollectionUniversity of North Dakota Mineralogy Collection #23216.
Key wordspyrite, bismuthinite
Tech details877 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1043