Midge included in amber from the Baltic coast, polarised light
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Agate from Anzi, Maroc
Twin-crystal of chrysoberyl
Colour zoning in ruby from Mong-Shu, Burma
Bubbles and swirls in moldavite (natural glass)
Spinel crystal in dolomite marble, Burma
Inclusions of hematite in feldspar (sunstone), India

Contact

Swiss Gemmological Society
Secretary:  Rébecca Michelot
c/o BDO AG, Hodlerstrasse 5, 3001 Bern

T. +41 79 668 6989
E. info@gemmologie.ch