Bubbles and swirls in moldavite (natural glass)
Agate from Reichweiler, Germany
Two-phase inclusions in sapphire, Sri Lanka
Dendrites in agate
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Stress fissure («sun spangle») in baltic amber
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia

Contatti

Società Gemmologica Svizzera
Segretariato : Rébecca Michelot
c/o BDO AG, Hodlerstrasse 5, 3001 Bern

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