Marble and granite are widely used in building decoration. On the surface, there are some differences between marble and granite, and of course, the corresponding decoration scope is also different. In addition, the sales prices of marble and granite are also very different. Today we will focus on understanding the difference between marble and granite, and where marble is mainly used.
What’s the difference between marble and granite?
1. First of all, there is the difference between the composition of marble and granite stone. Although both are naturally formed materials, the formation process is different.
2. Granite is actually a kind of igneous rock material, mainly produced by volcanic materials, such as magma. The liquid magma under the surface forms new crystals and various colors through cooling and solidification, and mineral gas and liquid penetrate into the rock. It is usually dark. According to the hardness and compactness of the rock, granite can be divided into "pegmatite", "coarse crystal" and "fine crystal" stones of different grades.
3. Marble belongs to metamorphic rock, which is a kind of rock naturally metamorphosed from one stone under the mixed action of high temperature, high pressure and minerals. Qualitative change may be recrystallization, texture change or color change. Natural marble is a metamorphic rock formed by the original rocks in the crust under the action of high temperature and pressure in the crust. It belongs to medium hard stone, mainly composed of calcite, limestone, serpentine and dolomite. There are usually obvious patterns and many mineral grains.
4. Marble is rich in Dali, Yunnan. It has high compression resistance, low water absorption, easy cleaning, and fine texture. It is a high-grade indoor floor decoration material. Ordinary families can choose marble of 100-200 yuan per square meter when decorating. The disadvantage of marble is that it will react with water and carbon dioxide in the air quickly in the environment, making its surface dull and rough
5. Granite has the advantages of wear resistance, good frost resistance, weathering resistance, corrosion resistance, beautiful color, etc. The family floor is decorated with granite, which can make the room noble, elegant and luxurious. However, its price is relatively expensive. For ordinary household use, you can choose the variety that costs about 200-300 yuan per square meter.
