Skip to main content



Harmon's Agate and Silver


  • Missouri River
  • Rock Shop
Harmon's Agate and Silver presents God's paintings in stone. See world class scenic Montana agates set into hand-crafted gold and silver jewelry. One of natures largest Montana Yellowstone River Agates (40.5 pounds) is on display along with many natural, or carved and sculpted, scenic Montana agates. Also local art depicting the stories of Captain Clark's journey down the Yellowstone is available.

Made in Montana gifts of silver and gold jewelry handcrafted by Harmon's Agate & Silver and set with scenic Montana agates and Montana sapphires are pieces of natural art that can become lasting family heirlooms.

Harmon's Agate and Silver has art and many other made in Montana products. 16,000 pounds of Montana Agate can be seen at the shop and can be purchased in slabs, cabochons or rough. For further information call or write.
Read More
Read More
Street Address
102 North Central
Sidney, MT 59270
Alternate Phone
Mailing Address
PO Box 21
Crane, MT 59217
5/1 - 1/1
Monday - Friday: 10:00am - 5:00pm
Payment Methods
Cash, Discover, Master Card, Personal Check (In State), Personal Check (Out Of State), Travelers Checks, Visa
Special direction map

Special Directions

Harmon's Agate and Silver is located in the Yellowstone Marketplace, 102 North Central in Sidney.