Research Article Search Results


Slovak Opal: A New Life for a Historical Gem
Reports on the recent production of precious and common opal from a centuries-old locality.

Gems Recovered from Sedimentary Rocks
Explores the formation of sedimentary rocks, gems found and formed in sedimentary environments, and the alluvial mining of these gems.

Topaz from Mason County, Texas
A comprehensive look at Texas topaz, detailing its gemological and compositional characteristics and providing a basis for using trace element concentrations to identify its origin.

Micro-Features of Beryl
Provides a visual guide to the internal features of different varieties of beryl.

A Unique Petrified Tree Fern from Northeast China
Documents the gemological properties, chemical composition, and appearance of petrified tree fern discovered in northeast China.

Texas Topaz, Slovak Opal, a Beryl Inclusions Chart, and More
An overview of the Winter 2023 Gems & Gemology content.

Bohemian Garnets as Decorative Materials for Glass Vessels from the Late Sixteenth to Early Eighteenth Centuries
Examines a technique for setting cut garnets on glass objects, invented by Claudius vom Creutz of Nuremberg in the late sixteenth century.


Chicago Responsible Jewelry Conference
A report on the seventh annual Chicago Responsible Jewelry Conference.

Translucent Ruby Filled with Zinc Glass
Examination of a heart-shaped ruby reveals a zinc glass filler.

Large Stellate Dislocation in Spinel
A greenish blue spinel displays a large network of needle-like dislocations clustered in a six-rayed star pattern.




