Stress fissure («sun spangle») in baltic amber
Inclusions of hematite in feldspar (sunstone), India
Partially etched diamond crystal
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
«Red fox agate» from Patagonia, Argentina
Two-phase inclusion in amethyst, Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Spinel crystal in dolomite marble, Burma

Kontakt

Schweizerische Gemmologische Gesellschaft
Sekretariat: Rébecca Michelot
c/o BDO AG, Hodlerstrasse 5, 3001 Bern

T. +41 79 668 6989
E. nfgmmlgch