蓝色的石灰石，中国蓝石灰石

石灰石是一个沉积岩主要由碳酸钙在矿物方解石的形式。 多种颜色被展示，根据类型杂质的石灰石沉积物中存在的，如氧化铁，粘土，沙子和保持海洋生物。 石灰石瓷砖地板，铺地和覆面非常受欢迎，因为它是风化很强的抵抗力。

Blue limestone, China Blue Limestone

Limestone is a sedimentary rock that is composed mainly of calcium carbonate in the form of the mineral calcite. A variety of colours are exhibited, depending on the type impurities present within the limestone deposits, such as iron oxide, clay, sand and remains of marine organisms. Limestone tiles are very popular for flooring, paving and cladding as it is very resistant to weathering.