1. Mineral & Gem Society of Castro Valley - Hayward

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· 5 reviews

20948 Corsair Blvd, Hayward, CA 94545

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Business: Mineral & Gem Club, Non Profit Educational Society, Jewelry, Gemstones, Lapidary, Specimen Gallery, Minerals, Collectables, Instructional Classes

4worldlovers: Snag a great deal and support a 501(c)3 nonprofit by shopping at our store

We craft jewelry from the raw rocks to finished product at our shop in Hayward.

Our instructors will teach you everything rocks and minerals. This includes creating cabochons, metalsmithing, and gem cutting.

We partner with libraries and schools to educate and inspire youth about geology, rocks, and minerals.

Check out our handcrafted, artisan jewelry, created from raw rocks to finished product at our workshop!

Making jewelry or want a nice piece for your windowsill? Take a look at our cut slabs!

Want to take it all the way? Here's our selection of raw rocks and minerals, perfect for making jewelry or showing off your new crystal collection!

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We appreciate many types of donations. We accept donations of rocks, gems, equipment, and monetary donations.