How does granite and limestone differ?

Limestone is a sedimentary rock that is composed of calcium carbonate minerals (such as calcite) and skeletal remains. The skeletal remains are typically from ocean dwellers like coral and mollusks. read more

The main difference is that the calcium carbonate in the limestone acts as a cement that holds everything together. All sedimentary rocks have a cement of some kind. If you look at granite, you will see no cement. read more

Granite and limestone are two of the most common and widely distributed rocks on Earth. Both have been used as key building blocks over the centuries. They are, however, very different in their composition, appearances and uses. read more