Bubbles and swirls in moldavite (natural glass)
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Stress fissure («sun spangle») in baltic amber
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Fluid inclusions in quartz with bituminous daughter minerals, China
Structure in a healing fissure in topaz from Brazil
Twin-crystal of chrysoberyl
Agate from Anzi, Maroc

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