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Travertine
is a sedimentary calciferous stone formed in hot springs. Typically, hot water passes through limestone beds and takes the calcium, from the limestone suspension and takes that solution to the surface where the water evaporates and leaves the calcium crystals in layers on the surface. Because travertine is formed in hot springs, there is no metal content in the stone, therefore, it never gets hot. Travertine can be cut on either a "vein" cut, which is against the bedding which reveals the bedding planes, or a "fleuri" cut, which is along the bedding plane and reveals flowery, often circular patterns. This cut is also referred to as a "crosscut" pattern.
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