화강암은 석재로 흔히 쓰이는 대리암이나 석회암에 비해 단단하고 비와 바람에 잘 깎여 나가지 않는 특성을 가진다.
Granite is harder than marble or limestone, which is commonly used as a stone material, and has the characteristics of not being easily weathered by rain and wind.