Presentations at the May meeting of the Swiss Gemmological Society (SGG)

During the SGG meeting, held in Wilen, Switzerland, from May 3rd - May 4th 2010, SSEF gemmologists gave the following presentations:

• Dr. M.S. Krzemnicki
  News from SSEF
• Dr. M.S. Krzemnicki
  Tanzania: Visiting spinel and corundum deposits in October 2009
• J.P. Chalain
  The certification of diamonds at SSEF