Inclusions of gilalite aggregates in rock crystal from Brazil

Two-phase inclusion in amethyst, Brazil

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

Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Bubbles and swirls in moldavite (natural glass)

Structure in a healing fissure in topaz from Brazil

Agate from Anzi, Maroc

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