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Latest Articles

Cutting Star and Cat’s Eye Gems

Learn how to cut star and cat’s eye gems. Once you understand how asterism and chatoyancy work, you’ll find unexpected treasures in overlooked…

Descriptive Crystallography for Gemologists

Crystallography is the study of crystalline solids. Learn the most common terms gemologists use to describe the structure of crystal gems.

Scorodite Value, Price, and Jewelry Information

With lovely colors and intense pleochroism, faceted scorodite is a prize for collectors of the rare and unusual. However, it’s too soft for jewelry…
Lapidary Health Hazards and Safety Tips

Whether you’re a new or experienced gem cutter, brush up on safety procedures. Learn about lapidary health hazards and how to prevent chronic…
How to Polish Gems with Compact Discs

Similar to plastic Lexan laps, compact discs can be used to experiment with polishing gems. Learn some useful techniques and start doing your own…

37 Blue Gemstones (Names, Pics, & More)

Symbolic of sea and sky, blue has always been a popular color for gems. Learn how to assess color in blue gemstones and see which ones hold up best in…

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Gems marketplace on line
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Is this a new grade for Thermal treatment only?
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Dop sticks
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Thermal Only, Treatment, for corundum gems
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Identifiying crystals
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Long Wave UV vs Short Wave UV
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Spectrometer
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New to Gemology
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My new Gemcutting book is now available
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Advice on getting certification
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