一種高密度、少裂且堅不可摧的石材。 表面光滑、質地均勻，便於精細加工，常用於裝飾建築和雕刻。主要分佈於水邊及岩石地區。
Stone with high density and few cracks. Its surface is smooth, and its texture is uniform, allowing for precise processing, and it's used in decorations, constructing buildings, and statues. Commonly found near bodies of water and rock formations.