What you’ll find
What Gem Mountain Sapphire Mine is known for
Gem Mountain Sapphire Mine is a Montana sapphire mine, letting visitors sift their own sapphire gravel at its seasonal mine site before having stones heat-treated, faceted, and set into jewelry back at its downtown Philipsburg store. The shop also sells finished sapphire jewelry, loose stones, and home décor items like teak furniture and amethyst cathedrals.