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大理石,由我国云南大理点苍山所产的色彩瑰丽的石材而得名。大理石是一个商业名词,它的含意远比岩石学中的大理岩广泛得多。大理石是由各种结晶矿物组成,磨光后具有不同装饰花纹和色泽的碳酸盐质或碳酸盐—硅质岩石。大理石的矿物成分主要是方解石和白云石,其次还有石英、玉髓、石墨、赤铁矿、黄铁矿、绿泥石和蛇纹石等。而岩石学中的大理岩,仅指由沉积成因的石灰岩经接触变质或区域变质而形成的以方解石为主要矿物的碳酸盐类岩石。大理石,石质脂润,洁净如玉,主要用作高级建筑物的装饰材料。浅色半透明纯净致密的大理石,是工艺美术雕刻原材料中的佳品。装饰性较差的大理
Marble, named after the magnificent stone produced by Dangshan Mountain in Dali, Yunnan Province, China. Marble is a commercial term, its meaning is far more extensive than the marble in the petrology. Marble is composed of a variety of crystalline minerals, polished with different decorative patterns and color of carbonate or carbonate - siliceous rocks. Marble mineral composition is mainly calcite and dolomite, followed by quartz, chalcedony, graphite, hematite, pyrite, chlorite and serpentine and so on. The petrology of the marble, only refers to the sedimentary origin of limestone by contact metamorphism or regional metamorphism formed calcite as the main mineral carbonate rocks. Marble, petrolatum, jade clean, mainly used as decorative materials for advanced buildings. Light-colored translucent pure and dense marble, is the arts and crafts carving raw materials in the best. Dali poor decorative