Inclusions of fossil plant debris in opal from Wollo, Ethiopia

Dendrites in agate

Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

«Red fox agate» from Patagonia, Argentina

Two-phase inclusions in sapphire, Sri Lanka

Midge included in amber from the Baltic coast, polarised light

Spinel crystal in dolomite marble, Burma

Agate from Reichweiler, Germany

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