Gems Of East Africa – Mine direct gemstone suppliers
We are GEMS OF EAST AFRICA, a London UK-based gemstone dealer with our own buying office in Tanzania. Suppliers to the global gem community since…
What Happened to the GIA GemSet Color and Hue Wheel?
The GIA GemSet offered plastic color masters for color grading gems. It’s no longer in production. Software alternatives exist but still face…
Combining Stones in Jewelry
Combining stones can be more than adding diamond accents to colored gemstone jewelry. Explore colored stone combos and learn how to set gems within…
Identifying Synthetic Diamonds
Although most manufacturers disclose their synthetic diamonds, some resellers don’t. Learn how to identify these lab-created diamonds.…
What is a Crystal?
Learn the scientific definition of crystal used by gemologists and answer some basic questions about what is and is not a crystal.
Gemstone Identification Quizzes: Testing Procedures
Gemstone identification can involve many tests. These quizzes can help novice gemologists learn to pick the appropriate ones and identify gems…
What is the Usambara Effect In Gemstones?
The Usambara effect is a gemstone color change phenomenon distinct from pleochroism or the alexandrite effect. Tourmaline and other species…
Raw Stone Jewelry Design and Care
Raw stone jewelry is trending. Read this article for tips on incorporating raw stones into your jewelry designs and cleaning these gems.
Gemology Cheat Sheets
These gemology cheat sheets review gem color and clarity grading, specific information on evaluating diamonds and opals, and basic gem identification…
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