What is the state rock of New Hampshire?

The state rock of New Hampshire is granite. Granite is an abundant and essential component of New Hampshire’s geology, particularly in the state’s White Mountains. It has been used in the construction of numerous public buildings, monuments, and bridges throughout the state. The stone is valued for its strength and durability, making it ideal for use in both construction and decorative applications. Granite was designated as New Hampshire’s state rock in 1985, recognizing the state’s rich geological history and the importance of granite to its economy.