Rough columbite, a black mineral also called niobite, niobite-tantalite, and columbate

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Photo credit: © Dorling Kindersley/UIG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, background, black, close-, columbate, columbite, geological, geology, mineral, mineralogy, nature, niobite, niobite-tantalite, object, rough, shiny, shot, single, smooth, studio, white