Spinel crystal in dolomite marble, Burma
Dendrites in agate
Inclusions of gilalite aggregates in rock crystal from Brazil
Bubbles and swirls in moldavite (natural glass)
Inclusion of apatite in ruby from Tanzania
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Midge included in amber from the Baltic coast, polarised light
Stress fissure («sun spangle») in baltic amber

Contact

Swiss Gemmological Society
Secretary: Willy Bieri

c/o Willy Bieri, Feldgass 34, 6170 Schüpfheim

T. +41 78 696 19 81
E. nfgmmlgch