Research Article Search Results
Goethite Sprays in Apatite
Examination of a green-blue apatite reveals goethite in a surface-reaching fracture.
Fireworks in Aquamarine
Iridescent thin films in aquamarine resemble fireworks in the night sky.
“Basketball Player” in Diamond
A diamond’s cloud and crystal inclusions create a unique scene.
High-Clarity Suite of Color-Change Pyrope Garnets
Todd Wacks exhibits his exceptional graduated suite of 65 matched color-change pyrope garnets from Morogoro, Tanzania.
“Comet Tail” Needle Cluster in Garnet
A cluster of needle inclusions in a pyrope-almandine garnet is reminiscent of a comet’s tail.
Gold Sheen Sapphire
A variety of colors and effects were observed in “gold sheen” sapphire from eastern Kenya.
“Meteor Shower” in a Pearl
A natural nacreous pearl from the Mytiloidea superfamily displays a visual effect suggestive of a meteor shower.
Tucson 2026: Pearl Market Report
An update on the global pearl market from vendors at the Tucson gem shows.
Color-Treated Purple Diamond Rough with Interesting Growth Pattern
Patterns observed in a color-treated purple diamond reveal details about its growth history.
Animal Motifs with Purpose
Jewelry designer Samira Mazloom draws awareness to endangered species with her unique “Fading Footprints” collection.
Play-of-Color on a Pen Pearl
Calcitic crystals on the surface of a pen pearl display a play-of-color phenomenon under fiber-optic illumination.
