Is Limestone Truly Renewable? Experts Weigh In

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Limestone is a sedimentary rock composed primarily of calcite, a calcium carbonate mineral with a chemical … Limestone that is unusually rich in organic matter can be almost black in color, while traces of iron or manganese can give limestone an … Learn about its types, famous landmarks, and how to … What is limestone? It may contain considerable amounts of magnesium … [3] limestone is commonly white to gray in color. Explore the properties, formation, and diverse uses of limestone, a sedimentary rock critical to construction, agriculture, and sculpture.