Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light

Agate from Anzi, Maroc

Two-phase inclusion in amethyst, Brazil

Inclusions of gilalite aggregates in rock crystal from Brazil

Agate from Reichweiler, Germany

Inclusion of apatite in ruby from Tanzania

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Dumortierite in rock crystal, Brazil, polarised light

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