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• 2009-06-06 12:06 Materialscientist 700×443× (233257 bytes) {{Information |Description = Eskolaite. Pen for scale. Collected from Moscow, Russia, by Franklin S. Harris, 1929. Mineral collection of Bringham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 4-8046, Cr_2O