密度高且裂纹极少的高强度石材。 表面光滑，质感均匀，适合精细雕刻与装饰建筑。常见于水边及岩石地带。
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.