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Schweizerische Gemmologische Gesellschaft
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Spinel crystal in dolomite marble, Burma
Inclusions of hematite in aquamarine, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Partially etched diamond crystal
Agate from Reichweiler, Germany
Two-phase inclusions in sapphire, Sri Lanka
«Red fox agate» from Patagonia, Argentina
Fluid inclusions in quartz with bituminous daughter minerals, China

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  • Gemmology
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© SGG/SSG 2020

 

Our sponsors for 2019:

 
 
 
 
System Eickhorst
 
 
FAERBER
 
 
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