Contents - Vol. 27, No. 11, November, 2011

  • Recent Discoveries from the Black Hills, South Dakota
  • Upper Michigan Celestine
  • Mineralogy of Chromium
  • Book Review: Eruptions that Shook the World by Clive Oppenheimer
  • Notes from the Laboratory
  • The Comet Mine, Lincoln County, Nevada
  • Obituary John Leach Baum (1916-2011)
  • New Mineral Names
  • Ads
  • Upcoming Events