what is a pietra -dura ?
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Pietra serena is a gray sandstone used extensively in Renaissance Florence for architectural details. It is also known as Macigno stone. The material obtained at Fiesole is considered the best and it is also quarried at Arezzo, Cortona, and Volterra.
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Pietra Gray Marble is a stunning marble from Iran, being very dense and consistent marble. The local name for Pietra gray marble is Lashator marble. This gray/black marble is sorted in different types by stone yards and fabricators, based on the background color and the number of white veins. Pietra Gray marble is one of the most famous and best-selling natural stone.
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