page_title: Covellite
hierarchical_section_title: Covellite
caption_attribution_description: Deutsch: Mikrofotografie: Covellit ersetzt Chalkopyrit English: Photomicrograph: Covellite replacing chalcopyrite, from O.K. and Horn Silver Mines, same specimen as Butler photo 112, enlarged 210 diameters. Utah. 1908. Portion is plate 22-B in U.S. Geological Survey. Professional paper 80. 1913.
context_page_description: Covellite is a rare copper sulfide mineral with the formula CuS. This indigo blue mineral is commonly a secondary mineral in limited abundance and although it is not an important ore of copper itself, it is well known to mineral collectors.
  The mineral is generally found in zones of secondary enrichment of copper sulfide deposits. Commonly found as coatings on chalcocite, chalcopyrite, bornite, enargite, pyrite, and other sulfides, it often occurs as pseudomorphic replacements of other minerals. The first records are from Mount Vesuvius, formally named in 1832 after N. Covelli. Research of its unique properties has only surged in past decade yet promising results suggest may be used widescale in certain specific applications in the future.
context_section_description: Covellite (also known as covelline) is a rare copper sulfide mineral with the formula CuS. This indigo blue mineral is commonly a secondary mineral in limited abundance and although it is not an important ore of copper itself, it is well known to mineral collectors.
  The mineral is generally found in zones of secondary enrichment (supergene) of copper sulfide deposits. Commonly found as coatings on chalcocite, chalcopyrite, bornite, enargite, pyrite, and other sulfides, it often occurs as pseudomorphic replacements of other minerals. The first records are from Mount Vesuvius, formally named in 1832 after N. Covelli. Research of its unique properties has only surged in past decade yet promising results suggest may be used widescale in certain specific applications in the future.
caption: Covellite (gray) replacing and embaying chalcopyrite (light), polished section from Horn Silver Mine, San Francisco Mining District, Utah. Enlarged to 210 diameters.
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