Two-phase inclusions in sapphire, Sri Lanka
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Spinel crystal in dolomite marble, Burma
Partially etched diamond crystal
Two-phase inclusion in amethyst, Brazil
Structure in a healing fissure in topaz from Brazil

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