The Hidden Gem
A locally owned rock, mineral & lapidary shop in Loomis, CA serving Placer County and the greater Sacramento area. Discover crystals, collector specimens, rock identification guidance, and select cutting/polishing services.
Address: 3765 Circle Drive (Cottage), Loomis, CA 95650 • 916-250-7281
Visit the Shop
Get directions and call ahead to confirm availability before you make the drive.
Open in Google Maps →Rock Identification
Not sure what you found? Bring the piece (and where it was found) for best results.
Rock ID Info →Lapidary Services
Cutting & polishing for select projects. Bring size + what you want made (cab/pendant/polish).
See Services →What You’ll Find Here
A curated, always-changing mix of natural beauty and collector-grade weirdness (the best kind).
Crystals, Minerals & Collector Specimens
From display pieces to pocket stones, we curate natural crystals, minerals, and gemstones for collectors of all levels.
Browse the Shop →Searching: “crystal shop near me”, “rock shop Loomis”, “minerals near Sacramento”.
Specimen Care & Cleaning Guidance
Bring in your piece and we’ll help you choose a safe approach to cleaning, care, and display.
Ask a Question →Tip: tell us the mineral and what you’re trying to remove (dirt, iron staining, calcite, etc.).
Local, Real-World Expertise
We’re not a warehouse. We’re a Loomis shop that gets out in the field, sources material, and helps collectors in Placer County and the Sacramento region find pieces worth keeping.
Read Our Story →Support a Local Shop
If we helped you find something special, a review helps new collectors discover us.
Leave a Review →Location
Based in Loomis, CA. Serving Roseville, Rocklin, Lincoln, Auburn, Granite Bay, and Sacramento. Call/text before stopping by because we may be out collecting or working off-site.