Research Article Search Results
Quarterly Crystal: Almandine-Pyrope Garnet in Diamond
A diamond octahedron from South Africa hosts a rare yellow-orange almandine-pyrope garnet crystal.
Suspended Pargasite Crystal in Pink Spinel
A euhedral prismatic pargasite crystal is identified in pink spinel.
Natural Opal with Unusual Play-of-Color Pattern
Play-of-color pattern in Ethiopian opal is reminiscent of a turtle’s shell.
Imitation Seed Pearl with Blue X-Ray Fluorescence
The Science of Phenomenal Gems, a Summary of Pegmatites, and a Cutter’s Remarkable Journey
HPHT-Processed Natural and Laboratory-Grown Diamonds with Counterfeit Inscriptions
Emeralds and Beryl from Kazakhstan and Ukraine
“Sugar Plum” in Titanium-Diffused Blue Sapphire
Pezzottaite with Multiple Cat’s-Eyes
Well-Formed Rutile Star in Quartz
