San Diego Mineral & Gem Society

Members & Subscribers Membership Sign Up & Renewals » (online) Subscribe to the SDMG eNewsletter	Gemological Division Meeting – Mon, Jan 12, 2026 – 7 pm SDMG bldg – Dr. Shiyun Jin on Optical Effects in Phenomenal Gemstones and Their Underlying Nanotextures – Mon, Jan 19, 2026 –Board Mtg (Virtual) SDMG General Meeting – Mon, Jan 26, 2026 7pm, SDMG Bldg. – Al Puente on Hopi Overlay Silver Balboa Park paid parking update »	WORKSHOPS ON HIATUS Mon, 12/22/2025 thru Sun, 1/4/2026. Classes resume on Mon, 1/5. Look for the Winter/Spring Schedule to be posted online by Jan 4, 2026.
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