Gem Mountain Sapphire Mine — Rockhounding in Granite County, Montana

Gem Mountain Sapphire Mine is a mapped rockhounding spot in Granite County, Montana. Reported finds include sapphire. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Granite County
State: Montana
Coordinates: 46.24675, -113.59216

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Found at Gem Mountain Sapphire Mine

Each chip links to all spots in the U.S. that produce that material.

Sapphire

Nearby rockhounding spots

Other rockhounding spots within driving distance of Gem Mountain Sapphire Mine.

Gem Mountain Sapphire Mine FAQ

Where is Gem Mountain Sapphire Mine?+

Gem Mountain Sapphire Mine is in Granite County, Montana, at 46.24675, -113.59216.

What rocks and minerals can you find at Gem Mountain Sapphire Mine?+

Gem Mountain Sapphire Mine is reported to produce Sapphire.

Is collecting allowed at Gem Mountain Sapphire Mine?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

How do I get to Gem Mountain Sapphire Mine?+

Open the directions link to navigate to 46.24675, -113.59216 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in Montana

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Open Gem Mountain Sapphire Mine on the map

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