Limestone is a popular building material because of its availability and the relative ease with which it can be worked with and cut. The stone can have a very diverse chemical composition, which can result in a variety of different colours of limestone or even within a single cut of the stone.
Historically, limestone has been a very common material for building and sculpting, with famous buildings dating back to the Great Pyramid in Giza, Egypt. In recent years, some ancient structures have exhibited damage due to increased acid rain. With proper care, limestone will retain its beauty and last for many years. Due to its susceptibility to acid, it is not recommended that limestone be cleaned with an acid-based cleaner. A neutral or mildly alkaline cleaner is recommended for use on limestone so as not to damage the stone.
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