Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Dendrites in agate
Dendrites in agate
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
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions in quartz with bituminous daughter minerals, China
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Partially etched diamond crystal
Partially etched diamond crystal
 
 

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