Two-phase inclusions in sapphire, Sri Lanka
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Agate from Anzi, Maroc
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Midge included in amber from the Baltic coast, polarised light
Fire opal, Mexico

Contact

Societé Suisse de Gemmologie
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