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Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Fire opal, Mexico
Fluid inclusions in quartz with bituminous daughter minerals, China
Twin-crystal of chrysoberyl
Spinel crystal in dolomite marble, Burma
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Structure in a healing fissure in topaz from Brazil
Stress fissure («sun spangle») in baltic amber

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