Connecting collectors, hobbyists, families, and curious beginners through field trips, friendship, and a shared enthusiasm for minerals and geology

Whether you’re a lifelong collector or just starting to notice the geology around you, the Oxford County Gem & Mineral Association, based in beautiful Oxford County, Maine, is a welcoming place to learn, explore, and connect. Through monthly meetings, field trips, special events, and an annual show, OCGMA brings people together to share their interest in minerals and geology in Maine and beyond.