Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Partially etched diamond crystal
Partially etched diamond crystal
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
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
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Dendrites in agate
Dendrites in agate
 
 

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