Not everyone is adept at limestone restoration in Sydney. We will help you with limestone restoration in Sydney. Types of Stone – Limestone Limestone is used for creating glass, decorative trim, or veneer. At Sydney Stone Polishing, we know how to care for limestone and items made from limestone. This stone has interesting origins, making its composition one of the most unique. Limestone is literally built on the history of the earth. Let’s Get Sedimental Limestone is a sedimentary rock made of fossils, debris from fossils, and shell fragments. It forms on the floor of the sea, although it can be found on land, also. Some limestone is very fine and made of sea organisms such as coral. Though limestone originates in a few different ways, it shares some main properties. Properties of Limestone Despite its name, limestone is actually gray. It can also be brown, yellow, or white, however. Limestone is made mostly of calcium carbonate. It is very soft and easily scratched.Despite its frag