Greenockite crystals to 0.2 mm long, partly dissolved from enclosing calcite. Composite image made using Helicon Focus software. See Rocks & Minerals 82 (2007) 298-308. A. E. Seaman Mineral Museum collection.
This Photo was Mindat.org Photo of the Day - 4th May 2008
This Photo was Mindat.org Photo of the Day - 4th May 2008
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