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FAQ

Can the granite be carved with a knife?
The main component of the knife is steel, the hardness of iron is 5, but the manufacture of knife is steel, hardness is higher than iron, with quenching or nitriding treatment, hardness is often more than 6, the highest hardness can reach more than 8. If you are using ordinary cut pencil with a knife (ordinary iron, hardness of 5) engraved in the granite above, engraved on the quartz and feldspar can not be engraved traces, but engraved on the mica can be engraved traces.
Granite stone plate relief how much money a square
If the precision requirements of high (accuracy of 0.05MM or so), protruding float high (floating in 3-4 cm between), stone format (specifications in 4000 * 6000 below), and carving content for the general character, each Square meters between 6000-7000 yuan;
What are the types of granite
It is the hardest of all the granite, both indoors and outdoors. Talc granite is one of the most well-known granite forms because it is not well resistant to natural forces (wind and rain). This makes it less suitable for use as a floor, countertop and outdoor use for decorative purposes only.
Why is the intrusive granite formed after sedimentary rocks
Intrusive magma does not emit the surface and therefore penetrates into the overlying strata or rock mass (including sedimentary rocks, metamorphic rocks, magmatic rocks).
What is the main chemical composition of granite
Granite is the main component of silica, its content is about 65% -85%. The chemical properties of granite are weakly acidic. Normally, the granite is slightly white or gray, with a dark crystal, the appearance of a spot, potassium feldspar to make it red or flesh. Granite slowly formed by the magma cooling crystallization, buried in the surface below, when the cooling rate is unusually slow, it forms a very rough texture of granite, it is called crystalline granite. Granite and other crystalline rocks form the basis of the continental plate, it is also exposed to the Earth's most common intrusive rocks.
Granite will become a rock
Upstairs do not understand not to say that the difference between the two thousand miles, limestone belongs to the sedimentary rocks; marble is by limestone, dolastic limestone, dolomite and other carbonate rocks by regional metamorphism and contact metamorphism Metamorphic rocks
Are stones belonging to granite or marble?
Stone, including marble and granite two, their composition is the same, the composition of different forms of different color patterns Granite stone is no color stripes, most only color spots, there is a solid color. Hard texture for outdoor use
Whether granite is a renewable or non-renewable resource
Non-renewable resources, granite is non-renewable resources. He needs to be a long time to be completed, it is counted as non-renewable resources, renewable resources refers to the human development and utilization, can be updated in a relatively short period of time, renewable, or can be reused, recycled natural resources, such as climate Resources, biological resources, water resources and land resources. For renewable resources affected by their own reproductive capacity and external environmental conditions of renewable resources, should be planned, limited to be developed to use.