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The composition of granite

The composition of granite:

granite is a volcanic eruption of lava under the pressure of the molten state uplift to the surface of the crust, magma does not gush out of the ground, but slowly cooled after solidification of the formation of tectonic rock, is a deep acidic igneous rock, belong to Magmatic Rock (igneous). The granite is mainly composed of quartz, feldspar and mica. The feldspar content is 40%-60%, and the quartz content is 20%-40%, and its color depends on the type and quantity of the components contained. The rock is hard and dense.
Granite formed from igneous rock, is a steel-hard lens stone, originally formed by feldspar, quartz and mixed with one or more kinds of black minerals, in the structure are flat arrangement. Granite is composed of quartz, feldspar and mica as the main components. The feldspar content is 40%-60%, and the quartz content is 20%-40%, and its color depends on the type and quantity of the components contained.
Granite is a fully crystalline structure of rock, high-quality granite grains fine and uniform, compact structure, quartz content, long stone luster Bright. The silica content of granite is high, it belongs to acidic rock. Some granite contains traces of radioactive elements, such granite should be avoided for indoor. The granite structure is compact, the texture is hard, acid and alkali resistant, weather resistance is good, can use in the outdoors for a long time.
It's best to give them the effect they want. Send a look at the peer site they like the style sent me a reference to this side Ingredients: Granite mainly composed of quartz and orthoclase and micro-plagioclase, the most primitive granite mainly from the following three parts: Feldspar quartz biotite. The proportions of each ingredient are generally determined by color and material, but is generally the proportion of feldspar is 65%-90% quartz 10%-60% biotite 10%-15% components: Granite mainly by quartz and orthoclase and micro-plagioclase composition, the most primitive granite mainly from the following three parts: Feldspar quartz biotite.
The proportion of each component is generally determined by color and material, but generally the proportion of feldspar is 65%-90% quartz 10%-60% biotite 10%-15%