HI HR237

Declares 'A'a as the official state rock of Hawaii to honor the creation and cultural significance of the state.

Establishes that 'A'a is one of three basic types of lava rock, characterized by a rough, jagged, spinose, and clinkery surface.

Recognizes that Hawaiian islands are volcanic in origin, with each island composed of at least one primary volcano.

Notes that 'A'a is the rarest of the three types of lava rock and is expelled by volcanoes during eruptions.

Directs that certified copies be transmitted to the Governor, President of the Senate, Speaker of the House, and Chairperson of the Board of Land and Natural Resources.