: Rare and primarily found in the Yogo Gulch , these stones are prized for their natural clarity and don't require heat treatment.
: On-site experts help evaluate your finds, determining which stones are large enough for faceting and whether heat treatment is needed to unlock their full brilliance. Creating the Heirloom buy montana sapphire
: You wash the gravel in a screen, using a specialized "gravity separation" technique where the heavy sapphires settle in the center. : Rare and primarily found in the Yogo