Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Spinel crystal in dolomite marble, Burma
Fire opal, Mexico
Agate from Anzi, Maroc
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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Schweizerische Gemmologische Gesellschaft
Sekretariat: Iva Pavic

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