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A Geoscience Digital Image Library

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TitlePyrargyrite with limonite and malachite
DescriptionThis specimen is mostly limonite (orange, earthy color, iron oxide/hydroxide). It also contains pyrargyrite, Ag3SbS3 (deep red color on the right side of the specimen) and malachite (green, copper carbonate hydrate). Pyrargyrite's color is a dark red and is most commonly so dark that it appears black. The nickname “ruby silver” has been applied to pyrargyrite although it is typically applied to the related mineral proustite. The specimen is 9 cm across.
LocationUSA ▹ Arizona. Near Bisbee.
PhotographerDarla Sondrol. 2001-07-18.
CollectionUniversity of North Dakota Mineralogy Collection #277.
Key wordspyrargyrite, limonite, malachite, Arizona
Tech details780 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1266