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Bluestone is a great product for walkways, patios, steps,
landings, bridges, paths, driveways, walls, and many other creative
landscape projects. 
Bluestone — a variety of
sandstone — is a beautiful and versatile building material,
so-named because the stone appears blue when wet or freshly broken.
The name is a bit of a misnomer, however, because the stone can be
found in a range of colors. Geologically, bluestone is a
fine-grained arkosic sandstone, also geologically referred to as a
feldspathic sandstone. Though it is a durable stone that resists
cracking, bluestone is highly prized as a building material because
it can be easily separated into slabs of nearly any desired size.
The stone usually is split and used in outdoor paving, such as
walkways and patios.
Applications
The durable texture of bluestone makes it ideal
for almost any application. The material is sold as both dimensional
and flagstone, providing opportunities for use as paving, pool
coping, wall veneer, countertops, patios, architectural facings,
fireplaces, sills, and as a basic building material for churches,
institutions, homes and businesses. Bluestone is available in many
formats and sizes such as irregular slabs, tumbled pavers, wall rock
and tumbled gravel.
Further, the versatile stone offers near-endless
possibilities when it comes to finishes, whether you desire cleft,
flamed, sawn, split-face or tumbled finishes. Bluestone also can be
treated thermally, sanded and rubbed, or honed; honed bluestone is
said to be a superb material for countertops. Basically, for
whatever application you can imagine, it can be carved or cut from
bluestone.
Granite: Granite,
from igneous rock, is a very hard, crystalline, and primarily
composed of feldspar, quartz accompanied by one or more dark
minerals. It is visibly homogeneous in texture.
The term "Granite" means "grain" in Latin word
"Granum" because of its granular nature.
Granite is the hardest building stone, and granite slabs and granite
tiles occupy a prominent place among dimensional stones. Due to its
hardness, resistance to weathering, capability to take mirror
polish, fascinating colors and textural patterns, granite slabs and
granite tiles are extremely popular.
The principal characteristics of granite also include high load
bearing capacity, crushing strength, abrasive strength, amenability
to cutting and shaping without secondary flaws, ability to yield
thin and large slabs and - above all - durability.
Due to highly dense grain, it is impervious to stain. Polished
granite slabs and granite tiles have achieved a special status as
building stones globally. Granite is also used for wall cladding,
roofing, flooring, and a variety of other interior and exterior
applications.
India is one of the largest producers of granites blocks and
processed granite slabs and granite tiles. Granites from leading
Indian exporters are listed here.
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