Heat Treating & Faceting
Create something beautiful with your findings.
Heat Treating
Heat Treating sapphires is a standard industry practice that improves the clarity and enhances the color of sapphires from Gem Mountain. Most people prefer the darker color saturation and improved clarity and brilliance of a heat treated stone over the pale pastel color of the average rough sapphire.




Heat Treating
Heat Treating sapphires is a standard industry practice that improves the clarity and enhances the color of sapphires from Gem Mountain. Most people prefer the darker color saturation and improved clarity and brilliance of a heat treated stone over the pale pastel color of the average rough sapphire.
Faceting
We Facet over 25,000 gemstones a year for Customers Just Like You who find Sapphires in our gravel.
Faceting is a grinding and polishing process (commonly called “cutting”) that creates a beautifully finished gemstone suitable for jewelry. In addition to heat treating and faceting over 25,000 sapphires per year, we can facet your other precious and semi-precious gems. We regularly facet garnets, topaz, amethyst, citrine and sunstone.


Find your own gems.
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Mine Location
21 Sapphire Gulch Lane
at mile marker 38.4 of Montana Highway 38, Skalkaho Pass Road, between Hamilton and Philipsburg.