Inclusions of hematite in aquamarine, Tanzania

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

Two-phase inclusions in tourmaline from Namibia

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

Two-phase inclusions in sapphire, Sri Lanka

Partially etched diamond crystal

Twin-crystal of chrysoberyl

Two-Phase inclusions and rutile needles in rock crystal from Brazil