What is the state rock of Arkansas?

The state rock of Arkansas is the diamond. Arkansas is home to the Crater of Diamonds State Park, the only place in the world where the public can search for real diamonds. The diamonds found in the park are a unique form of the mineral and are often used in jewelry. Arkansas’s diamond deposits are part of the state’s geological history, formed by volcanic activity millions of years ago. The diamond was designated as the state rock in 1997, symbolizing the state’s rich mining heritage and geological significance.