Two-phase inclusion in amethyst, Brazil
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Agate from Reichweiler, Germany
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Inclusions of fossil plant debris in opal from Wollo, Ethiopia

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