Chicago Responsible Jewelry Conference
A report on the seventh annual Chicago Responsible Jewelry Conference.
Turquoise United Conference 2023
Eclogite: Diamond-Encrusted Ancient Seafloor
Explores eclogitic diamonds, which make up a significant portion of the gem diamond market, and what they reveal about Earth’s dynamic processes.
Polymer-Filled Aquamarine
Supporting the Researchers of Tomorrow
Phenomenon Resembling Play-of-Color in Sapphire
A phenomenon resembling play-of-color was seen in a 4.13 ct unheated sapphire recently examined by the author.
Color Characteristics of Blue to Yellow Beryl from Multiple Origins
Discusses the features of alkali elements and their influence on the color of blue to yellow beryl.
Heliodor with a Large Schorl Inclusion
Inclusion Resembling a Gada in Diamond
Large Stellate Dislocation in Spinel
Rainy Lakeside City in Peridot
A Red Herring in a Red Garnet
Phenomenal Gems
A look at the most popular phenomenal gems exhibited at the 2025 Tucson gem shows.
Paraíba Tourmaline Melee: An Entry-Level Market Perspective
Rare Faceted Väyrynenite
Uniquely saturated examples of the collector stone were on display at GJX.
Update on Montana’s Rock Creek Sapphire
Impregnated and Dyed Turquoise
Natural turquoise has been subjected to dyeing and three types of impregnation.
Chart: Inclusions in Natural, Synthetic, and Treated Sapphire
Provides a visual guide to the internal features of natural, synthetic, and treated sapphires.
.jpg "YMAL GIA Ed")
