Inclusions of hematite in feldspar (sunstone), India
Inclusions of hematite in feldspar (sunstone), India
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Dendrites in agate
Dendrites in agate
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
 
 

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Schweizerische Gemmologische Gesellschaft
Sekretariat: Antoinette Starkey
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