Gypsum Value, Price, and Jewelry Information
Gypsum is one of the most abundant minerals, but gem-quality crystals are very rare. This material is extremely difficult to facet but very easy…
Before and After: Pictures of Repaired and Recut Gems
Take a look at these before-and-after pics of repaired and recut gems and learn how a great lapidary can improve the value of many types of gems.
The Path to Success in the Gem Trade
Finding your path to success in the gem trade takes introspection, education, and exploration. Learn about your options for entering this tight-knit…
Seven Stunning but Delicate Engagement Ring Stones
With protective settings and special care, these seven beautiful but delicate engagement ring stones can help you make a unique statement piece…
Lapidary Technology Through the Ages: Laps and Polish
Early lapidary technology doesn’t differ from our modern tools as much as you might think. Learn more about the history of laps, polish, and gem…
Introduction to Gem Cutting Styles
While some cut names may describe the face-up shape of the finished gem, others refer to the shape and arrangement of the gem’s facets. These cuts…
Gem Formation: How are Gemstones Created?
Most gems form naturally as minerals within the Earth. Most form as crystals, solids whose atoms are arranged in highly ordered repeating patterns…
The Optical Properties of Gemstones
We tend to take light for granted. It’s such a common thing we experience every day. Rarely do we think of the scientific definition of light…
The Physical Properties of Gemstones
Step 2: Advanced Gemology Lesson 2 Back to syllabus The optical properties of gems attract our eyes and can give a cut stone a unique character. However,…
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