Inclusions of hematite in aquamarine, Tanzania

Bubbles and swirls in moldavite (natural glass)

«Red fox agate» from Patagonia, Argentina

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

Structure in a healing fissure in topaz from Brazil

Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

Fire opal, Mexico

Midge included in amber from the Baltic coast, polarised light

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