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Rough Prairie Agate

Rough Prairie Agate


This is a natural beauty from the plains of South Dakota, Prairie Agates.It is great for decoration, cutting stones or tumbling.  The colors range from yellow to black to red.

  • These pieces measure approximately 2 1/2″ to 5″ in size and come to you right out of the bin. 

MOHS hardness scale of  7



Agates mostly occur as nodules in volcanic rocks or waters containing silica in solution possibly derived from the decomposition of silicates in the lava.  The siliceous matter is deposited in regular layers resulting in the banded or striped formation.

Additional information

Bag Size

2 Lbs Rough Prairie Agate, 5 Lbs Rough Prairie Agate

Contact Us

515 1st Street
Keystone, SD 57751

Order: 1-866-354-0894
Information: 605-666-4813

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