44 results for polka

West Coast Mining owns the Polka Dot Agate Mine. The Polka Dot Agate Mine is near Madras, Oregon and they are open to visits! If you would like to experience digging at an actual mine site you can vi ...

Orbicular Agate or Polka Dot Agate is so named for its spheres or polka dot pattern. The dots are sharp or fuzzy concentric orbs and they can range in size from very tiny up to quite large. Orbic ...

Montana Agate comes from near the Yellowstone River in Montana. The vein actually runs from the Yellowstone National Park in Wyoming to North Dakota. Montana Agate is one of the alluvial agates, i ...

Oregon is known for jaspers, agates, thundereggs, and petrified wood. Oregon's terrain varies from beaches to pine covered mountains to barren desert.  Graveyard Point Plume, Priday, Stinkin ...