The Properties Of Granite Rock

Granite has been used as a building material since ancient times.

The properties of granite rock.

Learn more about the properties and uses of granite in this article. An introduction to the properties of granite and its uses. Rocks with hardness 1 3 are soft rocks from 3 6 are medium hardness rocks and 6 10 are hard rocks. As compared to other rocks granite is more porous and its density is 2 65 2 75 g cm3.

Its three main minerals are feldspar quartz and mica which occur as silvery muscovite or dark biotite or both. Granite is a common coarse grained hard igneous rock consisting chiefly of quartz orthoclase or microcline and mica. Streak is the color of rock when it is crushed or powdered. Granite coarse or medium grained intrusive igneous rock that is rich in quartz and feldspar.

Granites can be predominantly white pink or gray in color depending on their mineralogy the word granite comes from the latin granum a grain in reference to the coarse grained structure of such a completely crystalline rock. These minerals provide the different colors to the granite that it possesses. The study of properties of granite rock is done by mineralogists to determine the identity of rock. Strictly speaking granite is an.

Chemical properties of granite. This makes it very hard and strong. It forms from the slow crystallization of magma below earth s surface. For countertops the granite blocks are cut into granite slabs.

The hardness of granite is 6 7 whereas its compressive strength is 175 00 n mm 2. Igneous rocks are rocks that are formed by the cooling and solidification of magma or lava. Rocks are rated on the on the moh s hardness scale which rates the rocks on the scale from 1 to 10. Granite being an igneous rock is formed from the process of magma.

From this rock stone is cut for building purposes. Granite is large and coarse grained. Kovler in toxicity of building materials 2012. Hardness color fracture luster compressive strength etc.

Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. Granite is made up of mostly quartz and feldspar. Some of the properties of granite include. It is the most common plutonic rock of the earth s crust forming by the cooling of magma silicate melt at depth.

Granite is a hard igneous rock having a coarse grained surface chiefly composed of four minerals viz quartz alkali feldspar plagioclase feldspar and hornblende. Granite is composed mainly of quartz and feldspar with minor amounts of mica amphiboles and other minerals this mineral composition usually gives granite a red pink gray or white color with dark mineral. Granite ˈ ɡ r æ n ɪ t is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. It is one of the oldest and most durable building products available and will far outlast the building in which it is installed.