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Calcium carbonate is the main component of limestone, which is the main raw material for the production of glass. Lime and limestone are used in large quantities as building...

Following the use of cave stone in the Bank of China building in Xidan, Beijing, the cave stone has set off a boom in China. And this upsurge is not the result of chance, is the...

Granite often contains other minerals, such as hornblende and mica, and appears in a variety of colors, including: brown, green, red and the common black. Because it crystallizes so slowly, its crystals intertwine one by one like a Rubik's cube.

After a long period of natural aging, the structure of the rock is uniform, the coefficient of linear expansion is very small, the internal stress is completely disappeared, and there is...