Photos of the 2003 Symposium
Lectures
How Much Crystallography do you need in Gemmology? Dr. Joaquim M. Nogués-Carulla (EGUB Barcelona)
Amber - Real or Fake? Mag. Dr. Waltraud W1nkler (ÖGEMG / Institute Of Mineralogy, University of Salzburg)
Cathodoluminescence of Colourless Gemstones Hr Dr. Techn. Dipl. Ing. Johann Ponahlo (ÖGEMG / National Museum of Natural History Vienna)
The Myth of Padparadscha Dr. Ulrich Henn (DGEMG, Idar-Oberstein)
A Status Report On Gemstones from Pakistan and Afghanistan Dr. Vera M.F.Hammer (ÖGEMG / National Museum Of Natural History Vienna)
New Pannonian Obsidian and some Tectonic Considerations Mag. Thomas de Riedmatten, FGG, EG
Obsidian from Mexico? Roger Dedeyne (ACAM Antwerp)
Synthetic Gemstones of Austrian Producers OSR Dir. Prof Leopold Rössler (ÖGEMG) Lecture in German language with English presentation. |