Partially etched diamond crystal
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Two-phase inclusion in amethyst, Brazil
Midge included in amber from the Baltic coast, polarised light
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Structure in a healing fissure in topaz from Brazil
Spinel crystal in dolomite marble, Burma

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