«Red fox agate» from Patagonia, Argentina
Fire opal, Mexico
Agate from Reichweiler, Germany
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of hematite in aquamarine, Tanzania
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Bubbles and swirls in moldavite (natural glass)
Inclusions of gilalite aggregates in rock crystal from Brazil

Objectives

The Swiss Gemmological Society has the following objectives:

  • To promote the gemmological knowledge of its members
  • To extend this knowledge through annual training and to pass on the benefits thereof to the gemstone and pearl trades in the industry
  • Protect the interest of the purchasing public
  • Maintain ethical business practices, combat unfair competition and comply with the international guidelines of the diamond, gemstone and pearl trades