Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of hematite in aquamarine, Tanzania
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Fire opal, Mexico
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Spinel crystal in dolomite marble, Burma

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