Various inclusions are observed in a batch of aquamarine samples from Xinjiang, China.
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Bluish green and white spheres create a beautiful inclusion scene in quartz from Larimer County, Colorado.
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A feather inclusion with iridescence caused by thin-film interference in diamond resembles an insect wing.
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Isolated nitrogen confined to the outer surface of a 0.98 ct diamond causes “yellow skin.”
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An iridescent feather inclusion in natural diamond bears resemblance to Rainbow Mountain in Peru.
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A dark crystal and a stress cleavage crack resemble a quarter note in a diamond.
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A combination of pyrope garnet and diopside inclusions is reminiscent of a snail in a near-colorless diamond.
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An intriguing metallic inclusion is observed in a faceted garnet.
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A hexagonal platelet of graphite is discovered in a pink sapphire from Sri Lanka.
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Fiber-optic light creates a night sky scene in a yellow sapphire from Madagascar.
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