Quarterly Crystal: Spessartine in California Quartz

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Unique Fingerprint in Montana Sapphire

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Heliodor and Aquamarine with Surface Etching

Hexagonal etch features are observed on the prismatic faces of heliodor and aquamarine crystals.

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Square-Shaped Cloud in Diamond

A natural faceted diamond displays a prominent square-shaped cloud under the table.

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“Conch Shell” in Diamond

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Fireworks in Ruby

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Pyritic Inclusions in Oregon Sunstone

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