Dendrites in agate
Dendrites in agate
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
 
 

Corso centrale / EGS 2017 (European Gemological Symposium)

29 giugno - 2 luglio, Zermatt

Registration:
SGS Congress from 29 june to 02 july 2017
Grand Hotel Zermatterhof, Zermatt

Società Gemmologica Svizzera
Segretariato : Antoinette Starkey
c/o Antoinette Starkey Pierres Précieuses
Précieuses Bureau 201, Rue du Rhône 69
1207 Genf
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Congressi regionali:

  • Gruppo 1 Svizzera romanda: 23-24 ottobre 2016
  • Gruppo 2 Berna: 23-24 ottobre 2017
  • Gruppo 3/ 4 Basilea / Soletta / Argovia / Svizzera centrale: 31 ottobre 2016
  • Gruppo 4 Zurigo: 18-19 ottobre 2016
  • Gruppo 6 Svizzera orientale: 26-27 settembre 2016; 25-26 settembre 2017
  • Gruppo 7 Ticino: 26-27 agosto 2017