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Year 1

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MJSA Apprenticeship Program

Introduction to Gem ID

Introduction to Gem ID

Mentors: Nanz Aalund & Charles Lewton-Brain

Identifying the material traits of hardness, fractures, luster, and colors, as they give clues to gem families.

Return to Weeks 1–12 • 13–24 • 25–36 • 37–50

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Welcome to the new jewelers.org!

A Fresh Look. A New Website. A Stronger Membership.

We’re excited to unveil Jewelers of America’s refreshed brand and redesigned website, reflecting our growing community and continued commitment to the jewelry industry.

With JA and MJSA now united under one membership, we’re bringing together more resources, expertise and connections to support every facet of the jewelry industry.

Take a look around to see all that JA offers — members can login to access member-only content like benefits, the Knowledge Vault and Advocacy resources.

Questions? Contact us at members@jewelers.org or call/text (800) 223-0673.