Limestone Limestone Limestone is a sedimentary rock consisting mostly of organic material such as skeletons and shells of marine creatures and sediments. It’s easy to cut and carve, readily available, and long-lasting. Amun Cream Bateige Azul Crema Royal Earth Gray G.-Pearl Galala Gascoune Halila Imperial Jerusalem Vein Jura Grey kesra brown Mediterranean Blue Mediterranean Gray Olive Polished River Gray See Grass Sinai Pearl Sunny Dark Tut Pond Zebra