Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
 
 

Zentralkurs / EGS 2017 (European Gemological Symposium)

29. Juni. - 2. Juli, Zermatt

Anmeldung:
Zum Kongress der SGG vom 29. Juni bis 02. Juli 2017
im Grand Hotel Zermatterhof in Zermatt.

Antoinette Starkey
Aktuarin SGG
c/o Antoinette Starkey Pierres Précieuses
Précieuses Bureau 201, Rue du Rhône 69
1207 Genf
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Regionaltagungen:

  • Gruppe 1 Suisse romande: 23. - 24. Oktober 2016
  • Gruppe 2 Bern: 23. - 24. Oktober 2017
  • Gruppe 3 / 4 Basel/Solothurn/Aarau/Zentralschweiz: 31. Oktober 2016
  • Gruppe 5 Zürich: 18. - 19. Oktober 2016
  • Gruppe 6 Ostschweiz: 26. - 27. September 2016; 25. - 26. September 2017
  • Gruppe 7 Tessin: 1. - 2. Oktober 2016