Fluid inclusions in quartz with bituminous daughter minerals, China
Stress fissure («sun spangle») in baltic amber
Agate from Anzi, Maroc
Inclusions of hematite in aquamarine, Tanzania
Dendrites in agate
Partially etched diamond crystal
«Red fox agate» from Patagonia, Argentina
Twin-crystal of chrysoberyl

Kontakt

Schweizerische Gemmologische Gesellschaft
Sekretariat: Willy Bieri

c/o Willy Bieri, Feldgass 34, 6170 Schüpfheim

T. +41 78 696 19 81
E. nfgmmlgch