Partially etched diamond crystal
Inclusions of hematite in feldspar (sunstone), India
Twin-crystal of chrysoberyl
Agate from Anzi, Maroc
Fire opal, Mexico
Inclusions of hematite in aquamarine, Tanzania
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Natural etching structure on a crystal face of diamond (trigons), polarised light

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