Bubbles and swirls in moldavite (natural glass)
Colour zoning in ruby from Mong-Shu, Burma
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusions of hematite in feldspar (sunstone), India
Two-phase inclusions in tourmaline from Namibia
Dendrites in agate
Agate from Anzi, Maroc
Fire opal, Mexico

Contact

Societé Suisse de Gemmologie
Secrétariat: Rébecca Michelot
c/o BDO AG, Hodlerstrasse 5, 3001 Bern

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