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• 2009-06-06 11:21 Materialscientist 700×525× (436843 bytes) {{Information |Description = Brucite. Pen for scale. Mineral collection of Bringham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 4-2002, Mg(OH)_2. |Source = http://libraryphoto.cr.usgs.gov |Dat