Stress fissure («sun spangle») in baltic amber
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Dumortierite in rock crystal, Brazil, polarised light
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Bubbles and swirls in moldavite (natural glass)
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Fluid inclusions in quartz with bituminous daughter minerals, China

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