Mammoth Mine Rock Shop is a unique destination for rock and mineral enthusiasts, often described as geology's Disneyland. Located in Apache Junction, right next to the OK Corral Stables, the shop offers a magical experience with a vast array of specimens, including rocks, minerals, fossils, and jewelry. Visitors can spend hours exploring the fascinating variety available in the store, which is surrounded by beautiful countryside, making the visit feel like an adventure from the start. The owner, Ron Feldman, is a knowledgeable and passionate figure, known for his extensive expertise in geology and local history. He is also a published author, and many visitors leave with signed copies of his books. Customers appreciate Ron’s willingness to share his knowledge, making the shop not just a place to shop, but a hub for learning and inspiration. The store is noted for its reasonably priced items, including unique gems and fossils, and has even attracted visitors from far away, eager to return with newfound knowledge. Overall, Mammoth Mine Rock Shop is highly recommended as a must-visit spot for anyone in the Phoenix area.
Great spot in Apache Junction. The owner has great amount of knowledge and is an accomplished writer. The store has a wide range of offerings that celebrate the beauty of the Sonoran desert.
January 2026
Wonderful place to visit! Owner, a published author on local history, is very informative. Lots of reasonably priced rocks, minerals, fossils and jewelry (including a “genuine” mounted dinosaur head). The family also owns the campground and riding stables next door.
December 2025
Amazing find. Lots and lots of cool items. Highly recommend
