Inclusions of hematite in aquamarine, Tanzania
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Partially etched diamond crystal
Inclusions of hematite in feldspar (sunstone), India
«Red fox agate» from Patagonia, Argentina
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Agate from Anzi, Maroc

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