File:Psilomelane+Hausmanite.jpg
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| Description |
Polished specimens of manganese ore from the Batesville district. Slab of manganese ore from the Wildcat prospect showing an intimate mixture of hausmanite and psilomelane in a roughly zonal arrangement and a radiating mass of white barite at the center. The light steel-gray mineral and the black mineral immediately adjacent to the barite are psilomelane: the rest of the black mineral is hausmanite. Natural size. Independence County, Arkansas. 1918. | ||
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| Source |
Plate 10-C in U.S. Geological Survey. Bulletin 734. 1923. Image file: http://libraryphoto.cr.usgs.gov/htmllib/btch415/btch415j/btch415z/mhd00334.jpg | ||
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[edit] | This image is a work of a United States Geological Survey employee, taken or made as part of that person's official duties. As a work of the United States Government, the image is in the public domain in the US. For more information, see the USGS copyright policy. See Wikipedia:Public domain and Wikipedia:Copyrights for more details. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 17:37, 12 May 2008 | | 1,400 × 1,345 (767 KB) | Tillman (talk | contribs) | Polished specimens of manganese ore from the Batesville district. Slab of manganese ore from the Wildcat prospect showing an intimate mixture of hausmanite and psilomelane in a roughly zonal arrangement and a radiating mass of white barite at the center. |
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