Two-phase inclusion in amethyst, Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Inclusion of apatite in ruby from Tanzania
Fluid inclusions in quartz with bituminous daughter minerals, China
Colour zoning in ruby from Mong-Shu, Burma
Midge included in amber from the Baltic coast, polarised light
Inclusions of hematite in feldspar (sunstone), India
Agate from Reichweiler, Germany

Contact

Swiss Gemmological Society
Secretary: Willy Bieri

c/o Willy Bieri, Feldgass 34, 6170 Schüpfheim

T. +41 78 696 19 81
E. nfgmmlgch