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Omphacite (left) and chromite (right) crystals composing a
Omphacite and Chromite: A "Bimineralic Inclusion" in Diamond

Two inclusions appear joined in a diamond host.

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Pink tourmaline inclusion in spodumene.
Pink Tourmaline in Spodumene

A large, rare inclusion is found in a spodumene host.

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Bluish green spinel in Sri Lankan yellow sapphire.
Green Crystals in Yellow Sapphires

Two yellow sapphires yield surprising green inclusions.

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Colorless beryl crystal in purple fluorite specimen.
Beryl Crystal in Fluorite

A purple fluorite contains an elongate, rod-shaped beryl crystal.

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Dendritic inclusions in sapphire.
Dendritic Inclusions in Cambodian Sapphire

A sapphire from Pailin, Cambodia, hosts inclusions that are unusual for this material.

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Bright green chromium diopside inclusion in diamond octahedron.
Quarterly Crystal: Cr-Diopside in Diamond

A bright green chromium diopside inclusion is seen in a diamond from South Africa's Kimberley mine.

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Shattuckite typically forms aggregates of circular to spherulitic masses composed of acicular crystals
Quarterly Crystal: Shattuckite in Quartz

A quartz crystal from Namibia, hosting of spherulitic to circular masses of shattuckite, is examined.

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Faceted manufactured glass beads.
Wollastonite Blizzard Within Glass

Beads believed to be synthetic quartz are discovered to be glass with a surprising set of inclusions.

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Yellowish green vesuvianite crystal in faceted Burmese ruby.
Vesuvianite in Burmese Ruby

A yellowish green crystal inclusion in a ruby is found to be vesuvianite.

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Tourmaline and calcite on Burmese ruby.
Tourmaline Crystals on Burmese Ruby

Myanmar’s Kyatpin Valley yields an fascinating gemstone association.

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