Structure in a healing fissure in topaz from Brazil
Dumortierite in rock crystal, Brazil, polarised light
Bubbles and swirls in moldavite (natural glass)
Inclusions of hematite in aquamarine, Tanzania
«Red fox agate» from Patagonia, Argentina
Fluid inclusions in quartz with bituminous daughter minerals, China
Twin-crystal of chrysoberyl
Inclusions of gilalite aggregates in rock crystal from Brazil

Kontakt

Schweizerische Gemmologische Gesellschaft
Sekretariat: Willy Bieri

c/o Willy Bieri, Feldgass 34, 6170 Schüpfheim

T. +41 78 696 19 81
E. nfgmmlgch