Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of gilalite aggregates in rock crystal from Brazil
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Agate from Anzi, Maroc
Two-phase inclusions in sapphire, Sri Lanka
Twin-crystal of chrysoberyl
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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Societé Suisse de Gemmologie
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