“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
Spiral Patterns on a Non-Nacreous Pearl
Natural Non-Nacreous Pearls from Various Marine Mollusks
The Bangkok laboratory studies 35 loose non-nacreous pearls from a wide range of marine mollusk species.
Large “Rainbow Calcite”
Green Jadeite-Omphacite from Guatemala
Gems Keep Giving
Gem-Quality Spinel from Southern Malawi
New Nigerian Green Beryl Find
New Deposit of Pezzottaite from Madagascar
A highly saturated purplish pink to red pezzottaite from a new deposit in Madagascar is encountered in Tucson and tested by GIA researchers.
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