瓷砖石英

Marble mainly including calcite, limestone, serpentine and dolomite composition. The main ingredient in calcium carbonate-based, accounting for about 50%. Because marble is generally contain impurities, and calcium carbonate in the atmosphere by carbon dioxide, carbides, the role of water vapor, but also easy to weathering and corrosion, leaving the surface very quickly lose their luster. Relatively soft marble of a general nature, which is relative to the purposes of granite.