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The Difference Between Limestone And Marble

Limestone and marble are both commonly used construction materials in the construction market. So many friends want to ask what is the difference between limestone and marble?

The difference between limestone and marble

What are the differences between limestone and marble?

1. Reason for formation

Limestone is formed in a shallow sea environment. According to the genesis, it can be divided into granular limestone (flowing water transportation and sedimentation); biological skeleton limestone and chemical and biochemical limestone; marble is a metamorphic rock formed by the original rocks in the crust through high temperature and high pressure in the crust. Rock-like metamorphic process.

2. Main uses

Limestone is widely used in construction and industrial raw materials. It can be directly processed into stone and fired into the quicklime. Quicklime becomes slaked lime by absorbing moisture or adding water. The main component of slaked lime is Ca (OH) 2. Slaked lime is formulated into the lime slurry and lime paste, which can be used as coating materials and tile adhesives.

Marble is processed into various shapes and plates, which are used as walls, floors, platforms, and columns of buildings. It is often used for monumental buildings such as monuments, towers, statues, and other materials. It can also be carved into practical artworks such as arts and crafts, stationery, lamps, and utensils.

3.Different resource distribution

China is one of the countries with rich limestone mineral resources in the world. According to the statistics of the former Geological Center of the National Building Materials Bureau, the distribution area of limestone in the country reaches 438,000 km2, accounting for 1/20 of the country's land area. Among them, the number of limestone resources available for cement raw materials accounts for 1 / 4-1 / 3 of the total resources.

After 2000, the most active marble mining was in Asia. From Mongolian Black from Inner Mongolia to Yazhou Red from Hainan Province; from Dandong Green in Liaoning to Tianshan Blue in Xinjiang, the stone reserves are very rich, and the famous species are among the best in the world.

What is limestone?

The main ingredient of limestone is calcium carbonate. Lime and limestone are abundant raw materials used in construction materials and industry. Limestone can be directly processed into building stones and fired into the quicklime. Quicklime can become slaked lime by absorbing moisture or adding water. The main component of slaked lime is Ca (OH) 2, called calcium hydroxide. Slaked lime is formulated into the lime slurry, lime paste, etc., and is used as coating materials and tile adhesives.

What is marble?

Dali rock originally refers to white limestone with black patterns produced in Dali, Yunnan Province. The section can form a natural ink painting. In ancient times, marble with formed patterns was often used to make painting screens or mosaics. Later, the name of marble gradually developed into limestone, which is used as a building decoration material, which has all kinds of patterns. White marble is generally called white marble, but white marble for statues made in the West is also called marble.