Partially etched diamond crystal

Colour zoning in ruby from Mong-Shu, Burma

Stress fissure («sun spangle») in baltic amber

Midge included in amber from the Baltic coast, polarised light

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Inclusion of apatite in ruby from Tanzania

Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers

Dumortierite in rock crystal, Brazil, polarised light

Empreinte

Fournisseur du site web :

Société Suisse de Gemmologie
c/o BDO SA
Hodlerstrasse 5
3001 Bern

Web development: Gecko Media

Plan du site
Empreinte
Protection des données
Conditions d'utilisation

© SGG/SSG 2026