ItItFrFrDeDe
Schweizerische Gemmologische Gesellschaft
  • Gemmology
    • Knowledge
    • Diamonds
    • Terminology
    • The 4 C's
    • Precious stones
    • Colours
    • Pearls
    • Cultured pearls
    • Treatments
  • About us
    • History
    • Commitee
    • Objective
    • Become a member
  • Current
  • Trade Fair Calendar
  • Links
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in feldspar (sunstone), India
Dendrites in agate
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusions of gilalite aggregates in rock crystal from Brazil
Partially etched diamond crystal
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Sitemap

  • Gemmology
    • Knowledge
    • Diamonds
    • Terminology
    • The 4 C's
    • Precious stones
    • Colours
    • Pearls
    • Cultured pearls
    • Treatments
  • About us
    • History
    • Commitee
    • Objective
    • Become a member
  • Current
  • Trade Fair Calendar
  • Links
  • Become a member
  • Contact
  • Internal
  • Print page
 
 
 
  • Become a member
  • Contact
  • Internal
  • Print page

Sitemap
Imprint
Data protection
Conditions of use

© SGG/SSG 2026

 

Our sponsors for 2026:

 
 
 
 
System Eickhorst
 
 
FAERBER
 
 
FERRARI
 
 
System Eickhorst
 
 
GRS
 
 
GÜBELIN
 
 
SSEF
 
 
Wild & Petsch
 
 
 
 
Christian Dunaigre
 
 
 
  • Become a member
  • Contact
  • Internal
  • Print page