Pezzottaite with Multiple Cat’s-Eyes

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Mystery Pebbles in Quartz

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Monazite in Quartz

Numerous monazite crystals are observed in colorless quartz.

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Lithiophilite in Quartz

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“Goose Bumps” on South Sea Pearl

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Unusual Patterns in Diamonds Composed of Dark Micro-Inclusions

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Three Large Natural Hollow Pinctada radiata Pearls

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Quartz Assemblage Imitating Emerald

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CVD-Grown Diamond with Unusual Cause of Greenish Color

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Unique Trapiche Grossular from China

Grossular crystals cut along specific orientations reveal a distinct trapiche structure.

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New Väyrynenite Production from Nigeria

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Exceptional Nacre Thickness of Hybrid Akoya Bead Cultured Pearls

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