The Difference Between Marble & Granite
Last updated May 24, 2018
We use up to natural stone in daily life is marble
In general, all marble
are textured and granite
are the main ones.
The two can also be distinguished from geological concepts in more depth.
is a igneous rock, also called acid crystal deep diagenetic rock. It is the most widely distributed type of rock in igneous rocks. It consists of feldspar, quartz and mica. Its composition is dominated by silica, accounting for about 65% to 75% of rock. Hard and dense.
The so-called igneous rock is the magma formed by the underground lava or the volcanic lava that has been condensed and crystallized. The content of silica in the igneous rock, the nature of the feldspar, and its content determine the properties of the stone. When the content of silica is more than 65%, it belongs to acidic rock. In this type of rock, when the basic minerals such as orthoclase, plagioclase, and quartz
form crystals, they have a granular structure and are called granite.
is the metamorphic rock formed by the original rock in the crust through the high temperature and high pressure in the earth's crust. The internal force of the earth's crust promotes a qualitative change of the original rock. The qualitative change is the change in the structure, structure, and mineral composition of the original rock. The new type of rock formed through qualitative change is called metamorphic rock. Marble is mainly composed of calcite, limestone, serpentine and dolomite. Its main component is calcium carbonate, accounting for more than 50%. Others include magnesium carbonate, calcium oxide, manganese oxide, and silicon dioxide.
Because marble generally contains impurities, and calcium carbonate in the atmosphere by the role of carbon dioxide, carbides, water, but also easy to weathering and corrosion, and the surface quickly lose its luster, the general nature of marble is relatively soft, which is relative to the granite In terms of stone. Of course, you don't have to bother with this because the geological time is calculated in billions of dollars. In our lifetime, this qualitative change is a limited change.
Of course, the above-mentioned marble and granite are all more narrowly defined in the above classification.
What is said in the market today is that metamorphic rocks are generally textured, so they are also known as marble
. The obvious spotted crystalline particles are also known as granite
In fact, too detailed classification, it is a geologist, for interior decoration, almost on the line. Of course, if your stone is used outdoors, due to the harsh environment, more detailed classifications are needed.
Because of the pores on the surface of natural stone, it is weak in stain resistance. It is usually treated on the surface of a processing plant. In interior decoration, marble is suitable for use on TV stands, ledges, and indoor floors. The doors, kitchen counters, and outdoor floors are suitable for granite. The kitchen counter top is best to use dark granite.
Note that the back of the grid, there are two cases of this situation:
1. Stone itself is more brittle, you must add a grid, such as Spanish beige.
2. Cutting corners, the thickness of these stones is thinned, the intensity is not enough, so add a grid, generally darker stone if there is a grid, most of this factor.
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