Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of gilalite aggregates in rock crystal from Brazil
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
Bubbles and swirls in moldavite (natural glass)
Two-phase inclusion in amethyst, Brazil
Inclusions of hematite in feldspar (sunstone), India

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