Heart shape cabochon measures 

1.625 inch by 1.625 inch by .375

Located in central Oregon, the Polka Dot Agate deposit produces beautiful orbital agates.

Mine tunnels of Native Americans are partially seen along side the agate pit.

One of the first Polka-Dot miners, Indians used agate to make sharp tools such as spears, knives, and arrowheads.

Priday Ranch Oregon USA