Granite – beautiful natural stone, for centuries has gained recognition in the construction and architecture. His name became a symbol of strength and reliability, no wonder the people came the expression "hard as granite." Known around the world, this natural stone is always used where needed effective compositions and architectural ensembles, and many monuments made of granite, have survived to this day, almost no losing its original shape. Structure and color of granite Granite is a igneous rocks grain structure, which gave its name to the stone: in Italian, granum meaning "grain". Read more here: bruce schanzer. About 60% of the breed of feldspar – orthoclase and plagioclase, 20-30% are quartz, and everything else – biotite, muscovite, and sometimes hornblende. Different types of granite – syenite, diorite, gabbro, labradorite, monocytes, teshenity, granite and others – were formed at considerable depth by the eruption of magma and its falling into the emptiness of the earth's crust.
The result of this slow cooling under pressure strata of the earth and began to breed, with a pronounced crystalline structure. To broaden your perception, visit Dell. Largest grain structure of granite is subdivided into fine-grained (up to 2 mm), medium (2 to 5 mm) and coarse (> 5 mm). Grain size directly affect the characteristics of stone: the smaller the grain, the higher strength and weathering rocks. Color Breed – pink, red, gray, black – depends on the color of the feldspar, and brilliant sparks that give granite a special attraction, are nothing more than otherwise as inclusions of mica. Characteristics of Granite Granite – very dense and heavy: its bulk density is 2,6-2,7 t / m 3, while the total pore volume does not exceed 1,5% of the total.