Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Two-phase inclusions in tourmaline from Namibia
Agate from Anzi, Maroc
Agate from Reichweiler, Germany
Two-phase inclusion in amethyst, Brazil
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of hematite in aquamarine, Tanzania

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