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Cut thunder eggs and geodes from Montana Gems. Montana Gems in beautiful Philipsburg, Montana A Handful of El Dorado sapphires. Children love to screen gravel looking for sapphires, gold, and other precious stones. Opal Mining in Idaho The mining room at Montana Gems. Screening gravel at Montana Gems in Philipsburg, MT. The sapphires found in the sapphire gravel available at Montana Gems are quite beautiful stones when cut and heat treated. The screening yard at Montana Gems in Philipsburg, MT. Children love to see what's inside a geode or thunder egg when cut by Montana Gems! Cutting a thunder egg at Montana Gems in Philipsburg, Montana. Several sapphires in various colors around a dime for reference fo scale.


Welcome to Montana Gems!

Montana Gems is your source for fine Montana Sapphires including the premier Yogo sapphire, Idaho Garnets & Idaho Opals!

We do our best to bring you local gems and minerals mined by our family. Here you'll find a large variety of gem gravels for at-home mining including Yogo ore, virgin El Dorado sapphire gravel, African gemstone gravel, Ruby Reservoir garnet gravel and more. We carry local products like chrysocolla, faceted quartz and jaspers. We create many styles of jewelry that incorporate our local gems including earrings, rings, pendants and bracelets. Styles are available in sterling silver, Argentium silver, 14K gold and palladium, we're sure you'll find something that catches your eye and meets your budget.

If you're looking for something special, we offer custom and ready-made settings for your stone or ours! We can help you create a setting for that Montana sapphire (or any stone) full of memories with a lifetime of enjoyment. If you don't already have your own gem, find one in our sapphire gravel rich with Missouri River Sapphires! For those that prefer to stay clean, we carry a nice selection of loose stones as well; Yogo sapphire, Idaho garnet, Montana sapphire, Idaho opal and many other colored stones. If we don't have what you are looking for, we promise to do our best to get it!

Our retail store also offers thunder-eggs from Montana and Oregon as well as Mexican coconut geodes (cut while you watch), always a fun surprise! We carry Yogo ore gift bags, local crystals including clear, smoky and amethyst quartz; whimsical metal wine racks, wall art, stone knobs, wood workings, knives and more.