“Boomerang” Inclusion in a Rough Topaz

A unique twinned crystal inclusion resembles a boomerang in a rough topaz.

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Natural Diamond with Extensive Network of Etch Channels

Numerous etch channels are observed in a 5.19 ct type IIa natural diamond.

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Large Diamond Inclusion in Diamond

A fascinating diamond crystal inclusion displaying a transparent, ghost-like appearance is identified in a Faint green diamond.

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Apatite Cluster in Zambian Emerald

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Blue Apatite in Tanzanian Garnet

A pyrope-spessartine garnet displays bright blue crystal inclusions ensconced among intersecting needles.

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Eye Pattern in a Rock Fragment

A partially polished rock fragment exhibits a very realistic eye pattern.

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Flux-Grown Synthetic Beryl Overgrowth

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Fracture-Filled Emerald with Mysterious Filler Patterns

Filler patterns resembling a labyrinth are observed in emerald fractures.

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