A Geoscience Digital Image Library

TitleGalena with malachite and anglesite, from Butte, Montana
DescriptionThis sample contains gray galena (PbS) coated with greenish malachite, Cu2(CO3)(OH)2. The yellow-white material on top of the specimen is mostly anglesite (PbSO4). Minor jarosite and barite are also present but difficult to see in this photo. The sample is 11 cm across.
LocationUSA ▹ Montana. Near Butte.
PhotographerDarla Sondrol. 2001-06-27.
CollectionUniversity of North Dakota Mineralogy Collection #147.
Key wordsgalena, anglesite, jarosite, calcite, barite, malachite, Montana
Tech details817 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number927