Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania
Dendrites in agate
Dendrites in agate
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
Partially etched diamond crystal
Partially etched diamond crystal
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
 
 

Contatti

Società Gemmologica Svizzera
Segretariato : Antoinette Starkey
T. +41 79 549 7689
E. nfgmmlgch