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Igneous rock of visible crystalline formation and texture. It is composed
of feldspar (usually potash feldspar and oligoclase) and quartz (SiO2), with
a small amount of mica (biotite or muscovite) and minor accessory minerals,
such as zircon, apatite, magnetite, ilmenite, and sphene. Granite crystallizes
from magma that cools slowly, deep below the earth's surface. Exceptionally
slow rates of cooling give rise to a very coarse-grained variety called pegmatite.
Granite, along with other crystalline rocks, constitutes the foundation of
the continental masses, and it is the most common intrusive rock exposed at
the earth's surface. The specific gravity of granite ranges from 2.63 to 2.75.
Its crushing strength is from 1050 to 14,000 kg per sq. cm (15,000 to 20,000
lb. per sq. in). Granite has greater strength than sandstone, limestone, and
marble and is correspondingly more difficult to quarry.
Granite is the ultimate countertop material. Impervious to heat, easy
to care for, the hardest stone on earth, it is available in hundreds of colors
and can be used in the most demanding situations. Granite countertops
will compliment any decor and all of our clients have the opportunity to view
and approve all slabs being used in their installations.
Granite can be used for all in-house and outdoor purposes. It is the hardest of the stones. It is durable, heat, UV, acids and crunch resistant. Granite is slightly porous and it can absorb liquids to some extend, that is why we always apply a special sillier to prevent this and protect our customers from any disappointment. Granite is the optimum material for countertops. It does not scratch easily, it is very strong, durable and long lasting. These features make granite the best choice for kitchens, however it may also be used in bathrooms and for fireplaces.
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