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Ceramic tile is a mixture of clays and other natural materials. The special clays are mined from the earth, shaped, colored and than fired in kilns. Traditional ceramic tile can be naturally colored and left unglazed like terra cotta, or they can feature colored or highly designed surfaces which can be glazed (finished with a glass surface) either in a high gloss or matte finish.
Porcelain tiles are a newer form of ceramic tile, but are composed of finer "porcelain" clays and fired at much higher temperatures. This process makes porcelain tile more dense, less porous, much stronger and less prone to moisture and stain absorption. For these reasons, most porcelain tiles are suitable for both indoor and outdoor installations.
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