Dendrites in agate
Inclusions of gilalite aggregates in rock crystal from Brazil
Two-phase inclusion in amethyst, Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Structure in a healing fissure in topaz from Brazil
Inclusion of apatite in ruby from Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Fluid inclusions in quartz with bituminous daughter minerals, China

Contact

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

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