Properties Of Granite Rock Pdf

Syenite is a coarse grained intrusive igneous rock with a general composition similar to that of granite but deficient in quartz which if present at all occurs in relatively small concentrations 5 some syenites contain larger proportions of mafic components and smaller amounts of felsic material than most granites.
Properties of granite rock pdf. 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. This was brief on uses of granite rock. Streak is the color of rock when it is crushed or powdered. Those are classed as being of intermediate composition.
It breaks away easily which makes it good for writing on blackboards a chose six different types of rock and fill in the table below with their properties. Granite has been used as a building material since ancient times. The hardness of granite is 6 7 whereas its compressive strength is 175 00 n mm 2. To know more about the granite uses download the byju s the learning app.
These are water resistant and maintenance is also easy. 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. Al yutum group the granite of this group is the most recent age and ranges from coarse to fine grain size the prevailing biotite granite abu jeddah a rough equilateral grained which ranges in composition from monzogranite to syenogra. It looks stylish and is easy to clean.
It is one of the oldest and most durable building products available and will far outlast the building in which it is installed. Granite granite is durable and attractive when polished so is good for making building stones chalk chalk is soft and not durable. Strictly speaking granite is an. Rocks are rated on the on the moh s hardness scale which rates the rocks on the scale from 1 to 10.
Types of granite rocks in the aqaba map area 3 1. Pdf jordanian granitic rocks jg are highly distributed and available in huge quantities in south jor dan aqaba area. Rocks with hardness 1 3 are soft rocks from 3 6 are medium hardness rocks and 6 10 are hard rocks. Granite is a common coarse grained hard igneous rock consisting chiefly of quartz orthoclase or microcline and mica.
In many rooms a granite floor offers a long lasting shiny appearance. Granite patios withstand the weight of grills outdoor kitchens and furniture as well as the impact of the elements. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. Granite stone though expensive creates a stunning aesthetic and offers optimal home protection as a residential or commercial building exterior.
It forms from the slow crystallization of magma below earth s surface. Will depend on rocks chosen.