Its characteristic purity, devoid of any impurity and residue, spontaneously raises a series of questions such as what kind of rock is marble and how is marble formed? Well, marble is the result of a recrystallization of carbonate minerals present within sedimentary rocks. Generally, these rocks are formed by processes of regional metamorphism which, thanks to high temperature and pressure, tends to increase the grain of the crystals, giving the marble its typical saccharoid appearance.
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