Midge included in amber from the Baltic coast, polarised light

Two-phase inclusions in tourmaline from Namibia

Fluid inclusions in quartz with bituminous daughter minerals, China

Two-Phase inclusions and rutile needles in rock crystal from Brazil

Colour zoning in ruby from Mong-Shu, Burma

Natural etching structure on a crystal face of diamond (trigons), polarised light

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Partially etched diamond crystal

Note legali

Promotore di questo sito web:

Società Gemmologica Svizzera
c/o BDO SA
Hodlerstrasse 5
3001 Bern

Web development: Gecko Media

Mappa del sito
Note legali
Tutela dei dati
Condizioni d'uso

© SGG/SSG 2026