Mystery Pebbles in Quartz
Lithiophilite in Quartz
“Goose Bumps” on South Sea Pearl
Unusual Patterns in Diamonds Composed of Dark Micro-Inclusions
Three Large Natural Hollow Pinctada radiata Pearls
Quartz Assemblage Imitating Emerald
CVD-Grown Diamond with Unusual Cause of Greenish Color
Unique Trapiche Grossular from China
Grossular crystals cut along specific orientations reveal a distinct trapiche structure.
New Väyrynenite Production from Nigeria
Exceptional Nacre Thickness of Hybrid Akoya Bead Cultured Pearls
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