Partially etched diamond crystal
Inclusion of apatite in ruby from Tanzania
Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Dumortierite in rock crystal, Brazil, polarised light
«Red fox agate» from Patagonia, Argentina
Two-phase inclusions in sapphire, Sri Lanka
Midge included in amber from the Baltic coast, polarised light


Società Gemmologica Svizzera
Segretariato : Iva Pavic

c/o Iva Pavic, Heerenschürlistrasse 4, 8051 Zürich

T. +41 78 720 98 54
E. nfgmmlgch