Agate from Reichweiler, Germany

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

Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia

Twin-crystal of chrysoberyl

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 hematite in feldspar (sunstone), India

Partially etched diamond crystal

Two-phase inclusions in sapphire, Sri Lanka