Gem Mountain Sapphire Mine: Montana Sapphire Hunting
Summary Gem Mountain in Montana lets you wash real mine gravel and discover your own sapphires. You visit either the seasonal mine or the year-round Philipsburg store, both run by the Cooney family. Next, you wash, spot, and sort stones with staff support. Then you turn your finds into jewelry through on-site grading, heat treating, […]
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