Research Article Search Results
Chinese Freshwater Pearl Culturing, Overall Market Summary
Amethyst Mining in Brazil
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.
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
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.




