Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Stress fissure («sun spangle») in baltic amber
Dendrites in agate
Inclusion of apatite in ruby from Tanzania
Two-phase inclusions in tourmaline from Namibia
Natural etching structure on a crystal face of diamond (trigons), polarised light
Structure in a healing fissure in topaz from Brazil

Empreinte

Fournisseur du site web :

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

E. nfgmmlgch

Web development: Gecko Media