Dendrites in agate
Dendrites in agate
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
 
 

Contact

Swiss Gemmological Society
Secretary: Antoinette Starkey
T. +41 79 549 7689
E. nfgmmlgch