What is the difference between marble and granite?marble granite slabs




The application of stone in the field of decoration is extremely wide, beautiful in appearance, large and strong, with unique visual vision, concentrated color and vision, and processing ability also allows stone to form different styles of decoration. It is a very good ideal decorative material. Cotton and is the simplest point in modern decoration. There are many similarities. People who don't know much about crafts can easily confuse contact.
There are many differences between marble and granite. The two are essentially different. Marble is a metamorphic rock formed by the high temperature and high pressure of the original rock in the crust, while granite is an intrusive rock in acidic magmatic rock. The main component of marble is calcium carbonate, accounting for more than 50%, and the main component of granite is silica, accounting for 65-75%. Marble is an alkaline stone, and granite is an acid stone.
The hardness of stone is calculated based on Mohs hardness. Mohs hardness of 6-7 belongs to hard stone, such as granite, Mohs hardness of 3-5 belongs to medium-hard stone, such as marble, Mohs hardness of 1-2 is soft stone , Such as limestone and dolomite. Granite has higher hardness than marble, so it is more difficult to process, but it is also more resistant to acid and weathering corrosion. Marble can be scratched with a knife, while granite is not easy to make marks.
In terms of the appearance of the stone, the marble is more delicate. According to the basic color of the surface, it can be roughly divided into white, yellow, green, gray, red, coffee, and black. The material of granite is relatively rough, mostly light flesh red, light gray, off-white, etc., mostly medium-coarse, fine-grained, and massive structure. The difference between each pattern is not big, and the granular form is basically uniform. sex.
Generally, marble is used indoors and granite is used outdoors. Most of the natural stone with patterns seen indoors is marble, while the spotted natural stone on the outdoor pavement is granite. On the one hand, because the aesthetics of marble is better for indoors, on the other hand, the stability of granite is also more suitable for outdoor environments. Under the action of sunlight, rain, wind and ultraviolet rays, granite is not easy to change.
The marble is bright in color and rich in color. After grinding and polishing, the surface is as bright as a mirror, crystal clear, sensitive and delicate, and has a gorgeous and noble decorative effect. It is widely used in the decoration of indoor walls and floors. Granite has a single pattern, few color changes, and is not as decorative as marble, but it has the advantage of being durable, not easy to be damaged, and not easy to weather and change color. It is mostly used on the ground and building exterior walls in public places.
Marble and granite are both high-grade stones. The origin of granite is generally in China. There are many outdoor application scenarios, stable structure and not easy to age. The price of granite ranges from tens to hundreds of yuan, which is much cheaper than marble. Marbles are produced at home and abroad. The marbles are smooth and delicate, rich in patterns and textures, and highly ornamental. The prices range from hundreds to thousands of yuan. According to different producing areas, the price of different quality marbles varies greatly.
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