Agate from Anzi, Maroc
Inclusions of hematite in aquamarine, Tanzania
Fire opal, Mexico
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Twin-crystal of chrysoberyl
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Two-phase inclusions in sapphire, Sri Lanka

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