San Diego Mineral & Gem Society

Members & Subscribers Membership Sign Up & Renewals » (online) Subscribe to the SDMG eNewsletter	Gemological Division Meeting Nov 10, 2025 – 7 pm SDMG bldg – Nathan Renfro on Microworld of Gems & Minerals General Meeting Nov 24, 2025 – 7 pm SDMG bldg – Jeff Ching on Polishing Gemstones: A 63-Year Journey of Continuous Learning	SDMG FALL WORKSHOPS Now In Session Workshop Schedule » Workshops Open to Members only. Renew your membership for 2025–2026»
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