Potentate Mining
Potentate Mining LLC is a privately owned Montana corporation developing the sapphire and gold resources of Gem Mountain at Rock Creek near Philipsburg
01/11/2026
Potentate Mining, Montana’s premier rough sapphire miner, is pleased to announce that once again they will be exhibiting at the American Gem Trade Association (AGTA) AGTA GemFair (Booth 1426) from Feb 2nd to Feb 6th in Tucson Arizona.
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Suite 1800, 8 King Street East
Toronto, ON
M5C1B5