Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Agate from Reichweiler, Germany

Two-phase inclusion in amethyst, Brazil

Inclusions of gilalite aggregates in rock crystal from Brazil

Partially etched diamond crystal

Twin-crystal of chrysoberyl

Two-phase inclusions in tourmaline from Namibia

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

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