Bubbles and swirls in moldavite (natural glass)

Two-Phase inclusions and rutile needles in rock crystal from Brazil

Two-phase inclusions in sapphire, Sri Lanka

Two-phase inclusions in tourmaline from Namibia

Fluid inclusions in quartz with bituminous daughter minerals, China

Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

Stress fissure («sun spangle») in baltic amber

Inclusion of apatite in ruby from Tanzania

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