Gem Mountain Sapphire Mine, located in Philipsburg, MT, is Montana’s oldest sapphire mine. They offer a variety of services, including operating a retail location in Philipsburg.

Gem Mountain has produced over 180 million carats of sapphires and allows visitors the opportunity to wash buckets of gravel and find your own treasures! This operation also offers heat treating and faceting services.

Uniquely, Gem Mountain will also ship you buckets of gravel allowing you to hunt for sapphires at home! If you find any excellent treasures, you can send them back to Gem Mountain for heat treating for a more intense color or faceting.