Basics of Gemstone Density and Specific Gravity
Gemologists sometimes measure gemstone density or specific gravity to help with gem identification. Learn the basics of this property and how…
Gemology Book Reviews: Careers
Learn how varied gemology careers can be. Our gemology book reviews highlight three different approaches — as art, science, and business.
Precision Faceting a Story Gemstone: Gem Design
In the gem design stage of jewelry making, faceters evaluate a stone’s qualities. Learn how to choose a cut for a gemstone as unique as your personal…
Common Sense Gemstone Grading: An Alternative System
Can gem grading avoid subjective terms? Learn about gemologist Jeff Graham’s common sense gemstone grading system, an alternative to commercial…
Advanced Cutting Techniques For Cabochons
Leftover gemstone rough is a great material for learning to cut cabochons. Learn advanced cabbing techniques and find new inspiration for jewelry…
The Art and Science of Identifying Gemstones
Gemology is both art and science. Learn how identifying gemstones combines traditional testing techniques, modern software, and deductive…
Buying Gemstones in Afghanistan: A Beginner’s Guide
Considering buying gems in Afghanistan? Learn which Afghan gemstones to seek out, which to avoid, and prepare for a “buyer beware” experience.…
Chalcedony Value, Price, and Jewelry Information
Technically, chalcedony (kal SED’ uh nee) is any form of microcrystalline or cryptocrystalline quartz, (meaning any form of quartz whose crystals…
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