Suggest an Edit Name* Categories* Clothing store Convenience store Department store Electronics store Furniture store Hardware store Home goods store Jewelry store Liquor store Pet store Shopping mall Supermarket Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Company description Your comments (not for publishing) * — Required information Mineral & Gem Society of Castro Valley ← View details 20948 Corsair Boulevard, Hayward, CA 94545 +1 510-887-9007