Potentate Mining

Come and see our great selection of rough and polished “Rock Creek Sapphires” at the AGTA GemFair in Tucson Arizona from February 2nd to 6th in booth 1426.

Potentate Mining LLC are pleased to announce that once again they will be exhibiting in Booth 1426 AGTA GemFair from Feb 2 to Feb 6 in Tucson Arizona. On display will be a broad assortment of rough and polished gemstones that were recovered recently from mining activities at the Rock Creek Sapphire mine near Philipsburg Montana . The principals of Potentate are members of the and . Potentate is the largest producer of rough sapphire in the USA & Montana including

Potentate Mining in conjunction with the team are proud to announce that the November 2025 tender in Bangkok was a great success. Our loyal clients are excited to promote the Rock Creek Montana sapphires, mined in the Sapphire Mountain Range of Granite County Montana ! PLEASE BE AWARE OUR GOOD NAME IS BEING IMPERSONATED ON FACEBOOK VIA PM & DM

Potentate Mining LLC has had a productive 2025 season mining the unique Rock Creek Sapphires near Montana. Many challenges need to be addressed mine down to 40 feet beneath the surface in order to reach the bedrock concentration of sapphires. This is accomplished with bench mining & back filling with waste rocks and gravels when the area is mined out. Here you can see the water pooled on the deeply weathered bedrock. Due to sapphires high density they tend to collect near the bedrock surfaces. Rough sapphires are available at the AGTA Tucson Gem show and in Thailand Montana Sapphire tender!