Bubbles and swirls in moldavite (natural glass)
Structure in a healing fissure in topaz from Brazil
Inclusion of apatite in ruby from Tanzania
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of hematite in feldspar (sunstone), India
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light

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