More than that granite is the signature rock of the planet earth itself.
Is granite the hardest rock.
Granite is hard enough to resist abrasion strong enough to bear significant weight inert enough to resist weathering and it accepts a brilliant polish.
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 two stones have a mohs hardness rating of 6 or 7.
Granite ˈ ɡ r æ n ɪ t is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture.
Granite is the signature rock of the continents.
Strictly speaking granite is an.
The other rocky planets mercury venus and mars are covered with basalt as is the ocean floor of earth but only earth has this beautiful and interesting rock type in abundance.
That is an old classification and i am not sure the classification still exists.
Marble is a degree or two less and though it is still a very hard stone it s rating on the mohs scale is about a 5.
Granite is the rock most often quarried as a dimension stone a natural rock material that has been cut into blocks or slabs of specific length width and thickness.
The igneous rock is comprised of mostly quartz and feldspar along with smaller amounts of various other minerals.
But in the 1960s when i began learning rock classification a quartzite was a sandstone that was composed predominantly of quartz and cemented with sili.