State Gemstone: Black Coral (1987)
Some of the best places to rockhound in Hawaii include Kauai Island, Maui Island, Oahu Island, Hualalai Volcano, Kaunala Island, Ke Iki Beach, Mahana Beach, Papakolea Beach, Green Sand Beach, Diamond Head, Hualalai, Honolulu, and Oahu Island, among others.
Hawaii is known for its beautiful peridot crystals, black corals, seashells, sea glass, shark teeth, sunstone, labradorite, and more.
Please note that rock collecting locations are always changing so be sure to check with the site owner for the most current information before going.
Dig safe, never go underground, and make sure to get permission from the landowner to search for and collect rocks.