Tairus Hydrothermal Synthetic Sapphires Doped with Nickel and Chromium
Apatite Cluster in Orthoclase Feldspar
An apatite crystal cluster, notable for its morphology and size, is found in a feldspar specimen.
Infrared Spectroscopic Study of Filled Moonstone
A study on how infrared spectroscopy provides conclusive evidence of impregnated moonstone.
Steam-Dyed Amber
Testing identifies a new treatment method as the cause of color in beeswax amber.
Paraíba-Like Synthetic Sapphire
Two flame-fusion synthetic sapphires with a Paraíba-like color are examined at GIA’s Carlsbad lab.
Rose Channels in Ruby
Trigon Party on a Diamond
Heated Corundum, the Remarkable Winston Red, and an Extraordinary Renaissance Jewel
“Bubble Obsidian” from Armenia
Eighth Annual Gianmaria Buccellati Foundation Award Winner
“Enhydro” Amethyst from Morocco
Gem-Quality Spinel from Southern Malawi
Gems Keep Giving
Gemstone Artisan Keycaps
Green Jadeite-Omphacite from Guatemala
Large “Rainbow Calcite”
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.
New Fluorite Deposit in Nigeria
New Nigerian Green Beryl Find
Zircon Cluster in Ethiopian Sapphire
The presence of these zircon clusters might help separate Ethiopian sapphire from other basalt-related sources.
.jpg "YMAL GIA Ed")
