Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
Partially etched diamond crystal
Partially etched diamond crystal
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
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Agate from Anzi, Maroc
Agate from Anzi, Maroc
 
 

Imprint

The provider of this website is:

Swiss Gemmological Society
Schmiedenplatz 5
P O Box 258
3000 Bern 7

T. +41 31 329 20 72
F. +41 31 329 20 75
E. nfgmmlgch

Web development: Escapenet GmbH