Spiral Patterns on a Non-Nacreous Pearl
“Enhydro” Amethyst from Morocco
Eighth Annual Gianmaria Buccellati Foundation Award Winner
“Bubble Obsidian” from Armenia
Heated Corundum, the Remarkable Winston Red, and an Extraordinary Renaissance Jewel
Quarterly Crystal: Fluorite in Quartz from China
Lepidolite in Copper-Bearing Tourmaline
Fancy Vivid Yellow HPHT-Grown Diamonds
Rose-Shaped Cloud Inclusion in Diamond
CVD Laboratory-Grown Gem Diamonds from Plasmability
Enormous South Sea Cultured Pearl with Filled and Partially Hollow Structure
Examination of a gigantic South Sea bead cultured pearl reveals an intriguing internal structure.
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