Dendrites in agate
Dendrites in agate
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of hematite in feldspar (sunstone), India
Inclusions of hematite in feldspar (sunstone), India
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Fire opal, Mexico
Fire opal, Mexico
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Partially etched diamond crystal
Partially etched diamond crystal
 
 

Kontakt

Schweizerische Gemmologische Gesellschaft
Sekretariat: Antoinette Starkey
T. +41 79 549 7689
E. nfgmmlgch