Gemstone Visual Examination Quizzes


Step 3: Practical Gemology

Lesson 29

ruby with sapphire gradations - gemstone visual examination
When backlit, this ruby crystal reveals internal gradations into sapphire. “Ruby,” Winza, Mpwapwa district, Dodoma region, Tanzania. © Rob Lavinsky, www.iRocks.com. Used with permission.

We’ve designed a series of realistic gem identification quizzes for gemology students. Each will give you a better idea of how to proceed based on the information at hand. This will help you learn not only the identification process but also time saving short cuts.

If you’ve missed it, try taking this sample gem identification quiz, too.

The following three quizzes focus on how to conduct a gemstone visual examination. Whether you’re trying to identify rough or cut stones or verify grades, you must learn to recognize what you see.

Examining a Rough Gemstone: Quiz 1

You’ve received a piece of rough to identify. First, you clean it carefully. …

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